Portal:U.S. roads/U.S. Roads news/Archive

An archive of news previously mentioned on the U.S. Roads Portal.

2006

• February: The Oklahoma Department of Transportation issues a new sign design for Oklahoma state highways. All signs are supposed to be changed over by the end of 2006.

2007

• June 22: The South Carolina Department of Transportation adopts a new design for their state highway shields. A plain rectangle with "S.C." will be replaced by a blue design with a small logo above the number. Unlike the 2006 change in Oklahoma, signs will only be replaced when they would otherwise need replacement.
• August 1: The I-35W Mississippi River bridge collapses in Minneapolis, Minnesota.
• September 28: The extension of the Dallas North Tollway to U.S. Highway 380 near Frisco, Texas opens.
• September 28: Interstate 795 in North Carolina is officially approved by AASHTO.
• October 12: A stretch of Interstate 5 in California at the Newhall Pass interchange is shut down due to a fire in a truck tunnel.
• November 4: The first phase of the Iway project in Providence, Rhode Island is completed, opening the new Providence River Bridge to eastbound I-195 traffic from northbound I-95.
• November 14: Future I-22 is extended to the Birmingham suburb of Forestdale, leaving only the two ends at Birmingham and Memphis to be completed.
• November 19: The South Bay Expressway (SR 125), San Diego's opens.
• December 3: Highway 312, which will become a new alignment of U.S. Highway 212 once completed, opens to Highway 41 in Chaska, Minnesota.
• December 4: Interstate 99 is completed south of I-80.

2008

• January 3: Governor Gregoire threatens to tear down the Alaskan Way Viaduct by 2012 if it is not replaced by then.
• January 19: A groundbreaking ceremony is held to begin the extension of California State Route 52.
• February 21: The western part of the Greensboro Urban Loop, including the new I-40 bypass, finally opens.
• March 14: House Bill 61 passes the Utah Legislature restoring the U.S. Route 89A designation to what had been signed State Route 11. With this change US-89A is again a true alternate route connecting to US-89 at both ends.
• April 6: The Dewey Bridge is destroyed by a brush fire started by a 7 year old playing with matches. The bridge, built in 1916, was the longest suspension bridge in Utah and believed to be the oldest bridge across the Colorado River still in use.
• May 3: The new HOT lanes open along Washington State Route 167 from Auburn to Renton. The new HOT lanes are the first in Washington and may lead to more future HOT lanes soon.
• June 6: The Michigan Department of Transportation (MDOT) and the Ontonagon County Road Commission transfer jurisdiction of M-107 from MDOT to the OCRC, decommissioning the M-107 designation after 72 years of existence..
• November: The New York State Department of Transportation upgrades Bridge Road in Crown Point, New York to New York State Route 185.

2009

• March: A segment of old U.S. Route 40 in Fayette County, Pennsylvania is approved by AASHTO and signed as U.S. Route 40 Business.
• March 17: The project to change metric signage on Interstate 19 with mile-based signage receives funding.
• May: The Hood Canal Bridge (carries Washington State Route 104) is closed to replace the eastern half.
• June: The Hood Canal Bridge, previously closed in May, is reopened eight days early on June 3.
• July 2: Construction begins to widen the New Jersey Turnpike from ten to twelve lanes between Cranbury and East Brunswick and from six lanes to twelve lanes divided between cars and trucks between Mansfield and Cranbury.
• August 22: The first segment of the North Spokane Corridor in Spokane will open on the eighth anniversary of construction.
• September 8: The San Francisco–Oakland Bay Bridge reopens early after a projected delay resulted from an unexpected flaw in the bridge.
• September 24: A two mile segment of future Interstate 580 (currently signed as U.S. Route 395) opens to traffic in Carson City.
• October 11: Arnold Schwarzenegger rejects a bill to limit the I-710 extension to an underground tunnel.
• October 27: Both directions of the San Francisco–Oakland Bay Bridge are closed indefinitely after a cable snaps during the evening commute.
• November 9: Officials in New York and Vermont announce the future demolition of the Champlain Bridge, a bridge over Lake Champlain connecting NY 185 and VT 17 due to being unsafe. The bridge has been closed since October 16.
• December 28: At 10:03 am, the Champlain Bridge was demolished with 800 pounds of controlled explosives.
• December 28: (updated December 30) A laid off construction worker claims that substandard concrete was used on a 919-foot highway bridge, called the Galena Forest Bridge, and that the bridge is unsafe. The structure is one of five major bridges being constructed along future Interstate 580 between Reno and Carson City. Update: The Nevada Department of Transportation spokesperson has said that the investigation is continuing; however, the preliminary investigation has found no evidence to substantiate the workers claims of substandard concrete and have called the worker disgruntled.

2010

• January 3: A three percent toll increase takes effect on the Pennsylvania Turnpike. This increase, which was the seventh such in 70 years, was done to provide funding to roads and bridges throughout Pennsylvania.
• January 20: A construction project along a 5.5-mile stretch of Interstate 15, between US 95/I-515 in Las Vegas and Craig Road (SR 573) in North Las Vegas, was substantially completed in December—ahead of schedule and within budget. Originally expected to be completed in fall 2010, the work is finished except for final paving layers that will be laid when weather warms up. This project, which included mainline widening and the reconstruction of several bridges and interchanges, was the first time the Nevada Department of Transportation has used the design-build process.
• March 8: A major rock slide in Colorado's Glenwood Canyon has forced the closure of a portion of Interstate 70, necessitating a detour of 150 to 200 miles. Boulders up to 66 tons punched multiple holes in the bridge decks of both the eastbound and westbound lanes, with the largest hole measuring 10 feet by 20 feet.
• March: The first two lanes of a new four lane bridge to carry U.S. Route 191 across the Colorado River open to traffic.
• March: The New Jersey Turnpike considers selling naming rights to its 12 rest areas in order to gain money to close New Jersey's budget deficit.
• March 30: Hocking County, Ohio courts attempt to collect traffic fines and court costs on 20-year old tickets that were paid in full already.
• April 13–22: M-139 was officially extended southward by MDOT, replacing the remaining sections of BUS US 31 and BUS US 12 in the Niles, Michigan area. MDOT has confirmed that this update has not yet been reflected through signage or on maps yet.
• April 28: Pennsylvania Governor Ed Rendell proposes that the Pennsylvania Turnpike Commission be merged into the Pennsylvania Department of Transportation with a special session of the state legislature that will vote on this issue on May 4.
• April 29: The Petoskey News-Review has reported that M-108 will be decommissioned later this year. The Michigan Department of Transportation (MDOT) will reconstruct the highway this year in a project set to wrap up in August. After construction is completed, jurisdiction over the roadway will be transferred to the Village of Mackinaw City and Emmet County. The highway has existed in some form since 1928.
• May 1: A twenty-two year old man named Michael Hulburt is shot and killed on Interstate 225 in Aurora, Colorado, closing the freeway for two hours.
• May 5: Three Pennsylvania legislators propose putting tolls on Interstate Highways at state lines in order to provide funding for the state's roads. The tolls, which would be run by PennDOT, would cost $1 for cars and $5 for trucks. These toll plazas are projected to provide between $235 and $300 million of revenue a year.
• June 11: The Colorado Department of Transportation announces a plan to widen Colorado State Highway 83 to three lanes to accommodate heavy traffic in the Denver area.
• June 24: A contract is issued to Carbro Constructors Corporation to build the first portion of the U.S. Route 206 bypass of Hillsborough, New Jersey. Construction on this portion, planned to cost $43 million, is expected to begin in August 2010 with completion in 2012.
• July 12: U.S. Representative Michael Arcuri introduces legislation to obtain the federal funds necessary to redesignate the 11 mile portion of existing Interstate 790 and New York State Route 49 from New York State Thruway exit 31 in Utica to New York State Route 825 in Rome as Interstate 790. This proposal will bring approximately $10 million in additional federal highway funding to the area.
• July 15: The Pennsylvania Turnpike Commission announces a planned toll hike for the Pennsylvania Turnpike that will take effect on January 2, 2011, in which cash tolls will increase 10 percent and E-ZPass tolls will increase 3 percent.
• July 26: The Pennsylvania Turnpike Commission announces that all signage along Pennsylvania Turnpike 60 will officially be changed to Interstate 376 on August 1.
• July 23: A section of Tennessee State Route 64 was named for retired U.S. Navy Rear Admiral Jerry Creighton Breast.
• August 1–7: The National Campaign to Stop Red Light Running declared the first seven days of August as "National Stop on Red Week" to highlight safety concerns surrounding drivers who run red lights.
• August 4: Construction of an E-ZPass only slip ramp between the Pennsylvania Turnpike and Pennsylvania Route 29 in Chester County is approved by the Pennsylvania Turnpike Commission. Construction on this ramp, which is intended to serve the Great Valley Corporate Center, is expected to cost $60 million and will take place between March 2011 and the later part of 2012.
• August 4: The Portage Lake Lift Bridge was stuck in the "up" position for several hours. This was the second failure in as many days. As the only road connection between Houghton and Hancock, Michigan, the problem stranded motorists on either side of the Portage Canal that separates Michigan's Keweenaw Peninsula from the mainland.
• August 18: Groundbreaking begins on the first section of the U.S. Route 206 bypass of Hillsborough, New Jersey, which is to run between County Route 514 and Hillsborough Road.
• September 10: Baltimore and Maryland announce that the section of U.S. Route 40 freeway that was to be Interstate 170, dubbed the "Highway to Nowhere", is being demolished. The freeway was cancelled as part of the freeway revolts in Baltimore, but not before a section was built.
• September 23: The U.S. Route 40 bridge over the Patapsco River in Ellicott City, Maryland, originally constructed in 1936, will be replaced in a project expected to be completed in 2013. During the bridge replacement, temporary bridges will be constructed to serve traffic for the first time in a major bridge project in Maryland.
• October 6: The Pennsylvania Turnpike considers replacing manned toll booths with all-electronic tolls, in which E-ZPass and credit cards will be accepted. In 2011, the Fort Littleton, Willow Hill, and Blue Mountain interchanges are expected to become unmanned, with cashless tolls to be expanded to the turnpike extensions such as Pennsylvania Route 43 and Pennsylvania Route 576 if this experiment proves to be successful.
• October 19: The Mike O'Callaghan–Pat Tillman Memorial Bridge is finally dedicated after many delays. The bridge is expected to remove the biggest bottleneck in the commute between Phoenix, Arizona and Las Vegas, Nevada.
• October 26: Indiana State Road 641, a new bypass of Terre Haute, opened to traffic between its first two interchanges.
• October 29: The Iowa Department of Transportation installed drop-arm gates at major interchanges along Interstate 29 and Interstate 35 as part of a test program to remotely close sections of interstate highways during inclement weather or emergency.
• November 22: An E-ZPass only ramp opens between the Pennsylvania Turnpike (I-276) and Pennsylvania Route 132 in Bensalem Township, providing improved access to the Parx Casino. Construction of the interchange cost $7.4 million.
• December 9: Transfer memoranda are completed between the Michigan Department of Transportation and local authorities to affect the transfer of M-108 from the state to local control. The designation was decommissioned when the highway was removed from the state trunkline highway system.
• December 10: A ramp between the southbound Garden State Parkway and eastbound Interstate 78 in Union Township, Union County, New Jersey is completed, a major part of a $149 million project to improve the interchange between the two roads.
• December 20: The Ohio Turnpike Commission voted to increase the speed limit of the Ohio Turnpike to 70 miles per hour (110 km/h). Despite opposition from the Ohio Trucking Association and the Ohio Motorists Association, the increase was approved by the Commission by a vote of 4 to 1 and will go into effect on April 1, 2011.

2011

• January 18: The Colorado Department of Transportation began a project to mitigate rockfall in the Georgetown and Idaho Springs areas along Interstate 70. The project will include installation of new guardrails and fences.
• February 7: Maryland Governor Martin O'Malley announces that the first section of Maryland Route 200 (Intercounty Connector) between Interstate 370 and Maryland Route 97 will open on February 22, with no tolls being charged through March 6.
• February 23: The first section of Maryland Route 200 (Intercounty Connector) between Interstate 370 and Maryland Route 97 opens to traffic, with over 10,000 vehicles using it that morning.
• March 7: The supporting wall on the eastbound Interstate 80 bridge over Sullivan Trail in Tannersville, Pennsylvania collapsed from snow and rain. As a result, eastbound I-80 was reduced to one lane and Sullivan Trail was closed.
• March 29: The final section of California State Route 52 is scheduled to open to traffic, connecting SR 52 to SR 67 near San Diego.
• April 1: The National Highway Traffic Safety Administration announced that US traffic fatalities have dropped to their lowest levels since 1949. Various factors were cited to explain the decrease including the replacement of older cars with safer models and improved highway engineering..
• April 13: The South Jersey Transportation Authority announces plans for a connector road between the Atlantic City Expressway and the Atlantic City International Airport. Construction on the road is to begin in 2013 at the earliest.
• April 18: New Jersey Transportation Commissioner James Simpson announces trucks will remain banned from the Garden State Parkway north of exit 105 after the New Jersey Turnpike Authority considered removing the ban. The agency found the road had engineering concerns that would make the consideration of allowing trucks on this segment impossible.
• May 12: The Maryland Transportation Authority announces sharp toll increases, the first such in decades, for its facilities, including the Chesapeake Bay Bridge, John F. Kennedy Memorial Highway, and Baltimore harbor crossings.
• May 12: A bill is introduced to raise the speed limit on Interstate 95 in Maine between Old Town and Houlton from 65 to 75 mph. If passed, Maine will be the first state east of the Mississippi River since the 1970s and the first state in the New England Region to establish a 75 mph speed limit.
• May 20: Express E-ZPass lanes open at the Egg Harbor toll plaza of the Atlantic City Expressway.
• June 8: A section of the Schuylkill Expressway (I-76) near Grays Ferry Avenue in Philadelphia, Pennsylvania buckled from temperatures around 100 °F (38 °C), causing lane closures. The closed lane of the road was later reopened after temporary repairs, but will require full repairs.
• June 21: A portion of the Mon–Fayette Expressway (West Virginia Route 43) opens from I-68 to Bowers Lane in Cheat Lake.
• July 11: The remaining portion of the Mon-Fayette Expressway (West Virginia Route 43) in Monongalia County opens to traffic, providing a connection between Morgantown, West Virginia and Uniontown, Pennsylvania.
• July 15: A portion of Interstate 405 in Los Angeles, California through Sepulveda Pass that carries 500,000 motorists a weekend is closed for construction until Monday, July 18 to allow for the demolition of a bridge as part of a widening project. The closure is expected to cause major traffic headaches throughout Los Angeles and has been referred to as "Carmageddon".
• July 31: The Nevada Department of Transportation has announced that the Galena Creek Bridge is complete enough to stand without the aid of falsework, which will be removed shortly. This is one of the last remaining obstacles to the completion of Interstate 580, which has been planned since the 1960s and has been delayed multiple times. The freeway is currently scheduled to open in 2012.
• August 19: The Minnesota Department of Transportation opened an extension of State Highway 610 to traffic in Maple Grove and Brooklyn Park.
• October 10: A temporary bridge for North Carolina Highway 12 in the Outer Banks opens over a 200-foot (61 m) inlet carved by Hurricane Irene on August 27, 2011, providing access to Hatteras Island. The bridge, which is 662 feet (202 m) long, could be in place for more than 10 years while other solutions are thought out.
• November 2: A 3-mile-long (4.8 km) section of I-680 between the Missouri River and I-29 reopened after floods this summer destroyed the old roadway. Construction was fast-tracked and completed in 34 working days.
• November 7: The new Lake Champlain Bridge between New York and Vermont, replacing the Champlain Bridge demolished in 2009, opens to traffic.
• November 22: The second portion of Maryland Route 200 (Intercounty Connector) opens between Maryland Route 97 and I-95, with tolls to be waived until December 4.
• November 28: As part of the 11th Street Bridges project in Washington, D.C., I-695 is signed along the Southeast Freeway.
• December 10: Discovery of substandard soil thought to be bedrock along a portion of the Interstate 580 Extension between Reno and Carson City, Nevada, has increased the project cost by $20 million and added an additional six months to the construction schedule. Now projected to be open in June 2012 at a cost of $555 million, the 8.5-mile (13.7 km) project is the largest highway construction contract ever awarded by the Nevada Department of Transportation.

2012

• January 11: The U.S. Route 322 bypass of Mullica Hill, New Jersey, opens to traffic.
• February 15: Construction begins to extend Route 18 from its current northern terminus at Hoes Lane to I-287 in Piscataway, New Jersey, by upgrading existing Hoes Lane and Centennial Avenue. The project is to cost $28 million and be completed in 2014.
• February 16: The Virginia Department of Transportation transfers three parkways in Northern Virginia to primary roads. The Fairfax County Parkway becomes State Route 286, the Franconia–Springfield Parkway becomes State Route 289, and the Prince William Parkway becomes State Route 294.
• March 29: The Texas Transportation Commission votes to raise the speed limits on State Highway 45 and State Highway 130 which serve as the bypass of Austin to 80 mph (130 km/h). In total, 54 miles (87 km) of freeways will have their speed limits increased once the signs are updated.
• April 23: The final strand of the cable supporting the self-anchored portion of the new San Francisco-Oakland Bay Bridge east span was pulled into place this month. The span will be the largest self-anchored suspension bridge in the world once completed.
• April 24: The Michigan Department of Transportation finalized the transfer of M-168 to local control. With the transfer, the highway designation was decommissioned and removed from the State Trunkline Highway System.
• May 1: The Maryland State Highway Administration will close the southbound ramps of the interchange between the Baltimore–Washington Parkway and Arundel Mills Boulevard starting Monday, May 7, 2012. The closure is for the expedited replacement of the existing dumbbell interchange with Maryland's first diverging diamond interchange. The new interchange, which is expected to open by June 2, is part of $5 million in road upgrades being funded by the Cordish Company ahead of the June 6 opening of the company's Maryland Live! development, which will feature a slot machine casino, near Arundel Mills.
• June 11: The Marshalls Creek Bypass carrying U.S. Route 209 around Marshalls Creek, Pennsylvania opens to traffic.
• July 10: The Texas Department of Transportation cancelled Recreational Road 5, leaving the Recreational Road System with just 10 highways.
• July 19: Georgia Governor Nathan Deal announced that the toll barrier on State Route 400 will be removed by the end of 2013.
• August 24: The southbound lanes of Interstate 580 opened to traffic, with the northbound lanes expected to open on Monday the 27th. Temporarily northbound traffic is using the current alignment of U.S. Route 395 while the northbound trunk is being completed at the Bowers Mansion interchange. The freeway, formerly unsigned and only complete inside Reno city limits, is now fully signed and extends to Carson City.
• September 6: It is announced that the under-construction SH 130 toll road between Austin and San Antonio in Texas will have a speed limit of 85 mph (137 km/h), the highest posted speed limit in the United States.
• September 28 – October 1: Interstate 405 in Los Angeles is scheduled to be closed for 53 hours for the demolition of a bridge.
• November 21: The Nevada Department of Transportation re-opened the Moana Lane interchange on Interstate 580/U.S. Route 395 in Reno. The reconstruction project included the first diverging diamond interchange built in Nevada.
• December 3: The U.S. Route 202 parkway between Montgomeryville and Doylestown, Pennsylvania, opens to traffic.
• December 6: Interstate 781, the Fort Drum Connector, opened to traffic.
• December 12: Interstate 49 is formally designated in Missouri from Pineville to Kansas City.

2013

• January 3: The Michigan Department of Environmental Quality denies a permit to the Marquette County Road Commission for County Road 595, killing the proposed project. The road, if built as planned, would have been privately financed to connect Kennecott Minerals' Eagle Mine with the company's ore processing plant along a 21-mile-long (34 km) route instead of a 60-mile (97 km) route along existing county roads in Marquette County.
• January 3: The NC Quick Pass electronic toll collection system used on the Triangle Expressway in North Carolina is integrated with E-ZPass.
• January 28: Floyd County, Indiana, takes over State Road 111 and State Road 311 from the Indiana Department of Transportation.
• January 31: Ground is broken for a new interchange on Pennsylvania Route 33 at Main Street in Palmer Township. The interchange, which is to cost $40 million, is expected to be complete in 2014.
• February 20: A section of U.S. Route 89 south of Page, Arizona, is indefinitely closed after the pavement buckled.
• April 2: The world's largest tunnel drilling machine, nicknamed "Bertha", arrived in Seattle by ship from Japan as part of the $2 billion dollar project to replace the Alaskan Way Viaduct that carries Washington State Route 99. The 6,700-tonne (6,700,000 kg) machine will be assembled by the Washington State Department of Transportation and will work until 2016 to build the new four-lane tunnel under Downtown Seattle.
• April 3: The Pennsylvania Department of Transportation announced that the state would commit to allocate $558 million for the Central Susquehanna Valley Transportation Project over the following 10 years, pending approval by the General Assembly.
• April 9: Dubuque officials and the Iowa Department of Transportation announced a proposal for the construction of the Southwest Arterial. In the proposal, US 52 would be routed onto the new road and Iowa 3 and Iowa 32, within the city limits, would be turned over to the city of Dubuque.
• May 23: A part of the bridge carrying Interstate 5 over the Skagit River in Washington collapses, sending cars into the river.
• July 30: Groundbreaking for the interchange between the Pennsylvania Turnpike and Interstate 95 in Bucks County takes place, with Governor Tom Corbett in attendance. The interchange, which is to fill a gap in Interstate 95, is expected to be complete in 2018.
• October 29: The Elgin–O'Hare Expressway is redesignated Illinois Route 390 at groundbreaking ceremonies for the Elgin–O’Hare Western Access Project.
• October 30: The Constantine Bypass along U.S. Highway 131 near Constantine, Michigan, opens. The five-mile (8.0 km) Super-2 highway curves around the west side of the community and uses a new bridge to cross the St. Joseph River. At the same time, a business route has been put into service along the former route of the highway through downtown.

2014

• February 9: The Stan Musial Veterans Memorial Bridge carrying Interstate 70 over the Mississippi River between St. Louis, Missouri and St. Clair County, Illinois opens to traffic.
• March 22: A three-mile-long (4.8 km) section of Washington State Route 530 has been closed by the Washington State Department of Transportation after a major landslide in Oso created a mud dam, blocking the adjacent Stillaguamish River.
• April 14: The Michigan Department of Transportation closes Interstate 96 for seven miles (11 km) between Newburgh Road and US 24 (Telegraph Road) for a complete freeway rebuild costing $148 million.
• May 12: A groundbreaking is held for the extension of Pennsylvania Route 576 (Southern Beltway) between U.S. Route 22 and Interstate 79, with Governor Tom Corbett in attendance. Completion of this segment is expected in 2019.
• June 2: The Interstate 495 bridge over the Christina River in Wilmington, Delaware is closed after it was discovered that four support columns were tilting.
• June 27: Interstate 99 is officially designated along the U.S. Route 15 freeway between the Pennsylvania border and Interstate 86 near Corning, New York.
• July 12: The Innerbelt Bridge that formerly carried Interstate 90 over the Cuyahoga River in Cleveland, Ohio was demolished.
• July 22: The speed limit on the Pennsylvania Turnpike between the Blue Mountain and Morgantown interchanges increases to 70 mph (110 km/h).
• July 24: The speed limit increases to 80 mph (130 km/h) for cars and 70 mph (110 km/h) for trucks on some rural portions of I-15, I-84, and I-86 in Idaho.
• September 18: The Alaska Department of Transportation releases plans for the Juneau Access Project connecting the state capital Juneau to the rest of the North American road network. The project would cost $574 million and would construct a road running 50 miles from Juneau to a ferry terminal at the Katzehin River, where ferries would travel to Haines and Skagway with connecting roads leading to the Alaska Highway in Canada.
• November 3: The widening of the New Jersey Turnpike between exit 6 (Pearl Harbor Memorial Extension) in Mansfield Township and exit 8A (Route 32) in Monroe Township to a dual-dual configuration with separate lanes for cars and cars, trucks, and buses is completed with the opening of the southbound lanes. The northbound lanes opened on October 26.
• November 7: The final section of Maryland Route 200 (Intercounty Connector) between Interstate 95 and U.S. Route 1 is opened to traffic.
• November 18: The Indiana Department of Transportation begins replacing signs along Interstate 164 in Evansville with Interstate 69 signs.
• December 30: Michigan Governor Rick Snyder signs Public Act 445 into law, giving the name Pure Michigan Byway to the former Michigan Heritage Routes.

2015

• February 24: The state of Delaware announces that it will raise the speed limit on Interstate 95 between the Maryland border and Interstate 495 from 55 to 65 mph (from 90 to 105 km/h) in summer 2015.
• April 7: Interstate 41 was officially approved for inclusion into the Interstate Highway System by the Federal Highway Administration. The new designation runs from Russell, IL, to Howard, WI, overlaying U.S. Highway 41 through much of Wisconsin.
• April 10: A rockslide dropped a boulder the size of a house onto the westbound lanes of U.S. Route 52 in Lawrence County, Ohio, just east of the bridge over the Ohio River to Ashland, Kentucky, leading to closures and detours while two days of cleanup took place.
• June 30: An E-ZPass-only interchange between the Pennsylvania Turnpike Northeast Extension (Interstate 476) and Pennsylvania Route 903 in Carbon County opens to traffic.
• July 16: The Washington State Department of Transportation and Seattle Tunnel Partners announce that the tunnel boring machine Bertha, which stopped digging the Alaskan Way Viaduct replacement tunnel in December 2013, could resume digging in late November. The tunnel, which will carry State Route 99 through Downtown Seattle, is now estimated to open in early 2018.
• July 19: A bridge on eastbound Interstate 10 near Desert Center, California, collapses, closing the highway "completely and indefinitely".
• September 28: The Norman Wood Bridge that carries Pennsylvania Route 372 over the Susquehanna River is closed indefinitely after a crack was discovered in one of the steel girders.
• October 15: A mudslide on Interstate 5 near Fort Tejon in California covered the road in five feet (1.5 m) of mud and trapped hundreds of vehicles.
• October 23: Interstate 22 is designated along the U.S. Route 78 freeway through Mississippi.
• October 30: Michigan's newest state highway, M-231 opens to traffic.
• November 7: The Manual on Uniform Traffic Control Devices turns 80.
• December 8: The portion of Interstate 580 within Carson City limits is named to honor Carson City Sheriff's Office Deputy Carl Howell, who was killed while investigating a domestic violence incident.
• December 9: Another 27 miles (43 km) of Interstate 69 in Indiana opens, extending the southern segment northward from the Crane Naval Surface Warfare Center to State Road 37 near Bloomington.
• December 23: A massive landslide located approximately 35 miles (56 km) southwest of Roseburg, Oregon, shuts down a section of Oregon Route 42 that was involved in an ODOT construction project.

2016

• January 14: Washington Governor Jay Inslee orders work on the tunnel-boring machine Bertha to halt after a sinkhole formed on the project site; two weeks earlier, the machine had resumed excavation of the Alaskan Way Viaduct replacement tunnel in Seattle, Washington, after a two-year-long delay.
• February 5: A groundbreaking ceremony for the U.S. Route 301 toll road in Delaware is held, with Governor Jack Markell, Federal Highway Administration administrator Gregory G. Nadeau, and Delaware Department of Transportation secretary Jennifer Cohan in attendance.
• February 16: Interstate 169 is signed along the portion of State Highway 550 between Interstate 69E and Old Alice Road in Brownsville, Texas.
• March 15: The Pennsylvania Turnpike Commission approved raising the speed limit on the remaining 65 mph (105 km/h) sections of the Pennsylvania Turnpike to 70 mph (115 km/h). The new speed limit will be posted in spring 2016.
• March 19: California State Route 11 from SR 905 to Enrico Fermi Drive opens to traffic.
• April 4: The speed limit on Interstate 70 in Maryland is increased to 70 mph (115 km/h) between the Pennsylvania border and MD 180 in Frederick County and from MD 144 in Frederick County to US 29 in Howard County.
• April 11–25: The new Evergreen Point Floating Bridge in Seattle, Washington opens to traffic, carrying six lanes of SR 520 across Lake Washington on the world's longest floating bridge replacing and its 50-year-old predecessor.
• April 29: Groundbreaking for Delaware's first diverging diamond interchange between Delaware Route 1 and Delaware Route 72 in New Castle County takes place, with Governor Jack Markell, Delaware Department of Transportation secretary Jennifer Cohan, and local officials in attendance.
• May 3: The speed limit increases to 70 mph (115 km/h) on 396 miles (637 km) of the Pennsylvania Turnpike system and 400 miles (640 km) of highway maintained by the Pennsylvania Department of Transportation, including rural stretches of I-79, I-80, I-99, I-380, and US 15.
• June 28: The Nevada Department of Transportation closes the 1931 bore of the Cave Rock Tunnel, which carries U.S. Route 50 along the shore of Lake Tahoe, for a retrofit project where the length of the tunnel will be extended by about 60 feet (18 m). The intent is to stabilize the mountain and construct a shelter to protect the highway from rocks that are breaking away from Cave Rock, and have already caused one major rock slide.
• July 25: The Michigan Department of Transportation dedicates the West Michigan Pike as a Pure Michigan Byway.
• October 13: The Pennsylvania Turnpike begins accepting credit cards as payment at all cash toll booths.
• November 30: Ramps from California State Route 11 (SR 11) westbound and SR 905 eastbound to SR 125 northbound were completed.
• December 18: The Lewis and Clark Bridge over the Ohio River along Indiana State Road 265 connecting to Kentucky opens.

2017

• January 20: The Delaware River–Turnpike Toll Bridge connecting the Pennsylvania Turnpike and the Pearl Harbor Memorial Extension of the New Jersey Turnpike is closed to traffic after a fracture was discovered in a steel component.
• January 26: The Texas Transportation Commission made the Interstate 14 designation official.
• March 30: A fire in Atlanta caused the collapse of a 100-foot (30 m) section of I-85 northbound. The highway will be closed for an extended period of time in the area.
• June 4: The reversible express lanes on Interstate 90 in Seattle, Washington, are permanently closed, in preparation for conversion into light rail tracks.
• June 13: With record breaking snow levels in the Sierra Nevada Mountains the California Department of Transportation finally opened State Route 108 over Sonora Pass. This is only the 2nd of the seasonally closed Sierra Nevada passes to open, State Route 89 over Monitor Pass opened in May. There is still no expected opening date for the other seasonally closed Sierra Nevada passes, including Tioga Pass and Ebbetts Pass. In the case of Monitor Pass, this is the latest opening of the highway in over 13 years.
• July 24: Brockway Mountain Drive in Keweenaw County, Michigan, is listed on the National Register of Historic Places.
• August 2: The next phase of Interstate 580 is dedicated in Carson City, Nevada. With this phase the freeway is paved to its final terminus; the only remaining portion to be constructed is the intersection and flyover ramps to connect with U.S. Route 50 and U.S. Route 395 at the freeway's southern end.
• August 10: The Nevada Department of Transportation announces the opening of the first section of Interstate 11 in Nevada. About 2 miles (3.2 km) of freeway are scheduled to open between Railroad Pass and Boulder City, Nevada.
• September 6: Interstate 87 is signed along the southeast part of Interstate 440 and U.S. Route 64/U.S. Route 264 between Raleigh and Wendell, North Carolina, replacing the Interstate 495 designation.
• September 8: USA Parkway opens to traffic as Nevada State Route 439 after several stalled proposals and proposed designations. Though the road has been partially finished for years, the need to finish the parkway became more urgent with the increased truck traffic on I-80 to serve Tesla Inc.'s Gigafactory 1. The new road will allow access to the Tahoe Reno Industrial Center via either I-80 or US 50.
• October 6: A section of Pennsylvania Route 125 in Schuylkill County is closed after it collapsed due to a sinkhole.
• October 9: The Michigan Department of Transportation designates a 92-mile (148 km) segment of US Highway 2 as a Pure Michigan Byway.
• November 20: Work on widening Maryland Route 404 between U.S. Route 50 and Denton to a four-lane divided highway is completed, improving safety on a route that sees heavy beach traffic in the summer months.

2018

• May 21: E-ZPass is implemented on all five toll bridges along Ocean Drive in Cape May County, New Jersey, with the Townsends Inlet Bridge the final bridge to receive E-ZPass.
• June 3: The Pennsylvania Turnpike Commission implements all-electronic tolling on Pennsylvania Route 576, with tolls payable by toll-by-plate or E-ZPass.
• August 8: The second phase of the Boulder City Bypass opens to traffic, completing Interstate 11 from the Mike O'Callaghan – Pat Tillman Memorial Bridge on the Arizona–Nevada state line to just outside the Las Vegas Valley.
• September 1: The toll roads operated by the Central Florida Expressway Authority in the Orlando area begin accepting E-ZPass.
• September 22: The flyover ramps connecting Interstate 95 and the Pennsylvania Turnpike in Bristol Township, Pennsylvania open to traffic as part of the Pennsylvania Turnpike/Interstate 95 Interchange Project, completing Interstate 95 between Florida and Maine.

2019

• January 11: The Alaskan Way Viaduct, which carries Washington State Route 99 through downtown Seattle, closes permanently ahead of work to prepare for the opening of a new downtown tunnel.