Wikipedia

California State Route 67

State Route 67 (SR 67) is a state highway in San Diego County, California, United States. It begins at Interstate 8 (I-8) in El Cajon and continues to Lakeside as the San Vicente Freeway before becoming an undivided highway through the eastern part of Poway. In the town of Ramona, the route turns into Main Street before ending at SR 78. SR 67 provides direct access from the city of San Diego to the East County region of San Diego County, including Ramona and Julian.

State Route 67 marker
State Route 67
Map
State Route 67 highlighted in red
Route information
Maintained by Caltrans
Length24.38 mi[1] (39.24 km)
Existed1933–present
Major junctions
South end I-8 in El Cajon
Major intersections SR 52 in Santee
North end SR 78 in Ramona
Location
CountryUnited States
StateCalifornia
CountiesSan Diego
Highway system
← SR 66→ SR 68

The route has existed as a railroad corridor since the turn of the 20th century. A highway known as the Julian road was built by 1913, and was designated as Legislative Route 198 in the state highway system by 1935. Route 198 was renumbered SR 67 in the 1964 state highway renumbering. A freeway south of Lakeside was built in the late 1960s, and opened to traffic in 1970. Since then, the portion of the highway north of Lakeside has become known for a high number of traffic accidents and related fatalities. The California Department of Transportation (Caltrans) has made several attempts to remedy the problem and make the road safer.

Route description

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SR 67 north of Poway Road

SR 67 begins as the San Vicente Freeway at I-8 near the Parkway Plaza shopping mall in El Cajon . There are two subsequent interchanges in El Cajon: one with Broadway and Fletcher Parkway, and another with Bradley Avenue. Following this, the freeway continues north to Santee near Gillespie Field, before coming to an interchange with the eastern end of SR 52. Near the Woodside Avenue exit, SR 67 turns northeast, paralleling the San Diego River and entering the unincorporated area of Eucalyptus Hills as it leaves the San Diego urban area. Riverford Road and Winter Gardens Boulevard have interchanges with SR 67.[2][3]

The freeway ends, and SR 67 turns north and becomes an undivided highway at Mapleview Street, crossing the San Diego River and entering the locale of Moreno. SR 67 then enters the rural area east of Sycamore Canyon County Open Space Preserve near the locale of Foster, passing to the west of San Vicente Reservoir. The road intersects the eastern end of Scripps Poway Parkway and County Route S4 (CR S4), the latter within the Poway city limits. In eastern Poway, SR 67 veers east, eventually leaving the city and entering unincorporated Rock Haven. The road continues near Rosemont, California before turning northeast and becoming Julian Road and then Main Street in downtown Ramona. SR 67 ends at the intersection with SR 78; SR 78 intersects to the northwest as Pine Street and continues northeast along Main Street towards Julian.[2]

SR 67 is part of the California Freeway and Expressway System,[4] and the freeway portion is part of the National Highway System,[5] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.[6] The route is named the CHP Officer Christopher D. Lydon Memorial Freeway from I-8 to Mapleview Street in Lakeside.[7] In 2013, SR 67 had an annual average daily traffic (AADT) of 94,000 between Broadway and Bradley Avenue (the highest AADT for the highway), and 18,100 between Rio Maria Road and Poway Road (the lowest AADT for the highway).[8]

History

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SR 67 near Ramona

Early days

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The "Julian road" had been constructed by 1872, and was used for stagecoaches.[9] In 1883, The San Diego Union and Daily Bee described it as a "disgrace to the county. It could hardly be in a worse condition... and should be repaired immediately."[10] On October 21, 1885, the county Board of Supervisors agreed to a realignment of the Julian road, in what was known as the Bernardo District, onto private property.[11] The road was described in 1890 by The San Diego Union and Daily Bee as passing through farms, and the grade was "cut on the west side of the canyon and buttressed with granite the greater part of the way." The route continued towards Ramona through vineyards, passing by more boulders.[12]

Between 1885 and 1891, the San Diego, Cuyamaca, and Eastern Railroad was extended from San Diego through El Cajon to the town of Foster, northeast of Lakeside.[13][14] In 1896, the stagecoach line connected the terminus of the railroad line in Foster to Julian, and transported the San Diego newspapers to Ramona by 2:30 pm each day.[15] The county began to survey a new routing of the Julian road in 1913 cutting through the El Monte Ranch, reducing the distance from San Diego to Julian by five miles (8.0 km) and removing some steep grades.[16]

Bidding was conducted on the Julian road, then known as Road No. 3A, on June 30, 1920;[17] however, progress on the grading of the road fell behind the county engineer's expectations by October, with only 3.5 miles (5.6 km) of the road complete.[18] The road was paved from Santee to El Cajon by the end of 1920.[19] Between Foster and Julian, the paved road was opened in July 1922, at a cost of $550,000[20] (about $7,870,000 in 2023 dollars).[21] The "Ramona Road" remained unpaved between the Mussey Grade and the road to Ballena, a distance of 20 miles (32 km), and the estimated cost of paving it was $400,000[22] (about $5,600,000 in 2023 dollars).[21] In 1925, there were 12 miles (19 km) left of unpaved road between Ramona and Julian, and state and county taxes were to be used to fund this project.[23] The Mussey Grade was completed in April 1925, marking the completion of the paved road between San Diego and Ramona.[24]

San Diego County declared the Julian road a county boulevard in 1926, meaning that vehicles were required to stop before entering the highway.[25] The road that would become SR 67 was added to the state highway system in 1933, from El Cajon to near Santa Ysabel,[26] and was designated as Route 198 in 1935.[27] It consisted of Maine and Woodside avenues in Lakeside[28] and Magnolia Avenue in the city of El Cajon all the way to U.S. Route 80 (US 80) at Main Street.[29][30] Because of the construction of the San Vicente Reservoir north of Lakeside, a two-mile (3.2 km) section of the road had to be submerged, and it was decided to relocate the road 2 miles (3.2 km) further west by the foot of Mount Woodson. The road was allocated $830,784 in funding (about $12,253,312 in 2023 dollars)[21] to be realigned, widened, and repaved between Lakeside and Mount Woodson in 1942.[31] Grading and paving of the 11.7-mile (18.8 km) part was scheduled for completion on December 15, 1943.[32]

Funding was allocated for traffic signals on the portion between Main Street and Broadway in El Cajon in 1954.[33] Route 198 also extended onto La Mesa Boulevard and Palm Avenue to SR 94.[30] This portion was signed as Sign Route 67 by 1962, from Campo Road to US 80.[34] In the 1964 state highway renumbering, Route 198 was renumbered as State Route 67; the portion south of I-8 was renumbered as SR 125.[35]

Freeway construction

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The State Highway Commission decided to reroute SR 67 through Lakeside in 1954, moving it closer to the San Diego River and away from the city center, using the land formerly occupied by the old railroad.[28] In 1961, the construction of the San Vicente Freeway was listed as a high-priority project by the California Chamber of Commerce.[36] During 1964, the county of San Diego received $1 million (about $8 million in 2023 dollars)[21] to construct SR 67 as a freeway from Pepper Drive to Broadway in the city of El Cajon.[37] Another $1 million (about $7 million in 2023 dollars)[21] was allocated in 1965, and the project was extended to I-8.[38] The freeway from I-8 to Pepper Drive was complete by 1967, when Caltrans announced that "yellow, non-reflectorized markers interspersed with raised yellow dots" would be installed on the freeway portion to delineate the shoulder; this was the first section to use them in the county.[39] By December 1968, the freeway was complete from I-8 north to Woodside Avenue; the grade at the northern end was smoothed out during the widening of the road in early 1970.[40] In March, the freeway was under construction from Woodside Avenue to the San Diego River, at a cost of $3.2 million[41][42] (about $19.4 million in 2023 dollars).[21] The freeway portion opened on October 12, 1970;[43] it was constructed four lanes wide.[44]

It was planned that SR 67 would be the eastern terminus of SR 56.[35] On December 30, 1980, the City of Poway included SR 56 in the city plan extending east through the city to a northern extension of SR 125.[45] In 1983, both the cities of San Diego and Poway supported the extension of SR 56 to SR 67, although the City of Poway wanted the route moved and had reservations about the freeway ending in the city.[46] There are no plans to construct the portion of SR 56 east of I-15.[47] Several arterial roads connect the eastern end of the SR 56 freeway with SR 67, including Ted Williams Parkway, Twin Peaks Road, Espola Road (CR S5), and Poway Road (CR S4).[3]

Safety concerns

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SR 67 south of Ramona

The highway portion of SR 67 was commonly known as "Slaughterhouse Alley" because of the high number of fatal accidents. The road was widened in 1979 to add a shoulder and passing lane between the north end of the freeway and Poway Road. During the construction, there were concerns about speeding cars putting the construction workers in danger. The total cost was $927,000 (about $3,140,000 in 2023 dollars),[21] and Asphalt Inc. performed the work.[48]

The reputation of the highway continued into the early years of the 21st century. In 2000, a $1 million project (about $1.7 million in 2023 dollars)[21] was authorized to widen the shoulders of the road, after there were 413 accidents and 15 fatalities on SR 67 from 1996 to 1999. At this time, County Supervisor Dianne Jacob proposed expanding the highway portion to four lanes along the entire route.[49] Following a safety initiative, including the involvement of law enforcement and trucking companies, accidents and fatalities both decreased by the end of 2001.[50] Accidents continued, however, and by November 2008, electronic signs were installed to inform motorists of their speed, and another publicity campaign had been launched.[51] The reduction from two lanes to one lane heading southbound just after a curve has been blamed for at least some of the accidents, with collisions resulting from cars "jockeying" to be ahead. Head-on collisions are another source of crashes.[52] Despite this, in 2009 Caltrans did not view the road as unsafe according to official metrics.[53]

In May 2009, the San Diego Association of Governments (SANDAG) announced that fixing SR 67 was number 17 on its priority list, resulting in an estimated 2030 completion of a four-lane highway that would not be limited-access.[54] A month later, Caltrans and the California Highway Patrol agreed to take more efforts to educate the public about the safety issues.[55] Signs were installed in 2010 to encourage drivers to practice safe driving habits; from January 2007 to early December 2010, twenty-four people died from accidents on SR 67.[56] Following a March 2009 fatal crash, some of the survivors filed a lawsuit against Caltrans for negligence in maintaining and designing the highway, but the suit was decided in favor of the department.[57] In a 2010 report, Caltrans suggested that two lanes could be added along the highway from I-8 to Dye Road in order to improve traffic flow.[58]

Further developments

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In 1983, the Kassler Corporation was awarded a contract to renovate the interchange with I-8 for $9.1 million[59] (about $23.4 million in 2023 dollars).[21] SR 67 from Poway Road to the Poway city limits was proposed to be widened in 1985.[60] There was a movement in 1987 to construct a northbound offramp at Woodside Avenue, due to traffic congestion at the Prospect Avenue offramp;[61] however, it was never built.[3] Call boxes were installed on SR 67 in 1994.[62]

There was also a proposal in 2000 to renovate the interchange at Bradley Avenue.[63] The next year, SANDAG approved the construction of a southern bypass of Ramona and widening from Vigilante Road to Dye Road for a cost of $200 million as part of a 2030 transportation plan.[64] The chairman of the Ramona Planning Group suggested calming traffic by using a roundabout instead of widening the highway.[65]

The road's guardrails and signs sustained damage in the 2003 Cedar Fire.[66] That year, there were plans to widen Route 67 from Mapleview Street to Dye Road; however, when threatened with a lawsuit from Save Our Forests and Ranchlands, SANDAG agreed to "reconsider" the project.[67] Traffic jams were prevalent on October 21 and 22 in 2007, during the ongoing local wildfires and the evacuation of Ramona on the narrow road.[68]

"Heavy construction" of SR 52 from SR 125 eastward to SR 67 began in February 2008, after it had been delayed by funding issues that were finally resolved in 2006 with voter-approved statewide transportation bonds.[69] The interchange with SR 52 began construction in mid-June 2008.[70][71] Completion was scheduled for 2010, but was delayed to early 2011 due to weather-related delays.[72] This new interchange opened to traffic on March 29, 2011. The cost of this project was $525 million, funded with state and federal funds as well as TransNet county sales tax revenue.[73]

Major intersections

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Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see California postmile § Official postmile definitions).[74] Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in San Diego County.

LocationPostmile
[1][8][74]		Exit
[3][75]		DestinationsNotes
El CajonR0.00Magnolia Avenue – El CajonContinuation beyond I-8
R0.001  I-8 – San Diego, El CentroSigned as exits 1A (west) and 1B (east); no exit number northbound; south end of SR 67; I-8 exit 17 westbound, 17B eastbound
R0.311CBroadway / Fletcher ParkwayNo exit number northbound
BostoniaR1.121DBradley AvenueSigned as exit 1 northbound
SanteeR1.942 
  SR 52 west / Prospect Avenue		Prospect Avenue is northbound exit only; east end of SR 52; SR 52 exits 18B-C
R2.673Woodside Avenue – SanteeSouthbound exit and northbound entrance
LakesideR3.914Riverford Road
R4.835Winter Gardens Boulevard – LakesideNorthbound exit and southbound entrance
​North end of freeway
R5.48Mapleview Street – Lakeside Business District
​Vine StreetRIRO intersection; northbound exit and entrance
​13.56Scripps Poway Parkway / Rio Maria Road
Poway15.20  CR S4 (Poway Road) – Poway, Escondido
Ramona24.38  SR 78 (10th Street / Main Street) – Santa Ysabel, Julian, EscondidoNorth end of SR 67
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

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References

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  1. ^ a b California Department of Transportation (October 2018). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  2. ^ a b San Diego County Street Atlas (Map). Thomas Brothers. 2009. pp. 1152, 1171, 1172, 1191, 1211, 1212, 1231, 1232, 1251.
  3. ^ a b c d "SR 67" (Map). Google Maps. Retrieved 8 November 2012.
  4. ^ "Article 2 of Chapter 2 of Division 1". California Streets and Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.
  5. ^ Federal Highway Administration (March 25, 2015). National Highway System: San Diego, CA (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved May 25, 2015.
  6. ^ Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.
  7. ^ California Department of Transportation; California State Transportation Agency (January 2021). 2020 Named Freeways, Highways, Structures and Other Appurtenances in California (PDF). Sacramento: California Department of Transportation. p. 45, 299. Archived from the original (PDF) on October 10, 2022.
  8. ^ a b California Department of Transportation (2013). "All Traffic Volumes on CSHS". Sacramento: California Department of Transportation.
  9. ^ Staff (July 10, 1947). "San Diego 75, 50, 25 Years Ago". The San Diego Union and Daily Bee. p. B2. OCLC 13155544.
  10. ^ Staff (April 25, 1883). "Local Brevities". The San Diego Union and Daily Bee. p. 3. OCLC 13155544.
  11. ^ Staff (October 22, 1885). "Board of Supervisors". The San Diego Union and Daily Bee. p. 3. OCLC 13155544.
  12. ^ Staff (June 26, 1890). "Glimpses of the Country". The San Diego Union and Daily Bee. p. 5. OCLC 13155544.
  13. ^ State of California (Map). California Department of the Interior. 1885.
  14. ^ California (Map). Rand McNally. 1891.
  15. ^ Staff (January 1, 1896). "Santa Maria Valley". The San Diego Union. p. 16. OCLC 13155544.
  16. ^ Staff (June 25, 1913). "Lakeside–Julian Road Commenced". The San Diego Union and Daily Bee. p. 13. OCLC 13155544.
  17. ^ Staff (July 1, 1920). "Contractors' Bids on Highway Work Under Estimates". The San Diego Union. p. 5. OCLC 13155544.
  18. ^ Staff (October 13, 1920). "County Engineer Reports on Six Sections of Road". The San Diego Union. p. 22. OCLC 13155544.
  19. ^ Staff (February 8, 1921). "County Highway Contracts Total More Than $1,000,000". The San Diego Union. p. 3. OCLC 13155544.
  20. ^ Staff (July 27, 1922). "Julian Road Open Via Mussey Grade". The San Diego Union. p. 9. OCLC 13155544.
  21. ^ a b c d e f g h i Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
  22. ^ Staff (June 22, 1923). "Northern Bodies Indorse Paving of Ramona Road". The San Diego Union. p. 5. OCLC 13155544.
  23. ^ Staff (September 8, 1925). "State and County Tax Rate to be Fixed Today". The San Diego Union. p. 12. OCLC 13155544.
  24. ^ Staff (April 25, 1925). "Newly Paved Mussey Grade Will Open for Travel Today". The San Diego Union. p. 2. OCLC 13155544.
  25. ^ Staff (January 26, 1926). "County Officials Choose Roads for Boulevard Stops". The San Diego Union. p. 5. OCLC 13155544.
  26. ^ California State Assembly. "An act to amend sections 2, 3 and 5 and to add two sections to be numbered 6 and 7 to an act entitled 'An act to provide for the acquisition of rights of way for and the construction, maintenance..." Fiftieth Session of the Legislature. Statutes of California. State of California. Ch. 767 p. 2034–2042.
  27. ^ California State Assembly. "An act to establish a Streets and Highways Code, thereby consolidating and revising the law relating to public ways and all appurtenances thereto, and to repeal certain acts and parts of acts specified herein". Fifty-first Session of the Legislature. Statutes of California. State of California. Ch. 29 p. 287.
  28. ^ a b Staff (February 19, 1954). "Board Orders Highway 80 Relocation". The San Diego Union. p. A10. OCLC 13155544.
  29. ^ San Diego County (Map). Automobile Club of Southern California. 1935.
  30. ^ a b Official State Highway Map (Map). California Division of Highways. 1944. Archived from the original on 2012-02-26. Retrieved March 27, 2013.
  31. ^ Staff (March 30, 1942). "Way Cleared for San Vicente Road As State Allocates $175,000". The San Diego Union. p. A1. OCLC 13155544.
  32. ^ Staff (December 14, 1943). "Grading Nearly Finished". The San Diego Union. p. A3. OCLC 13155544.
  33. ^ Staff (October 25, 1954). "San Diego County Gets $16,139,100 For Road Projects". The San Diego Union. p. A13. OCLC 13155544.
  34. ^ Staff (January 5, 1962). "New Freeway Construction Stepped Up in San Diego". The San Diego Union. p. C4. OCLC 13155544.
  35. ^ a b California State Assembly. "An act to add Section 253 and Article 3 (commencing with Section 300) to Chapter 2 of Division 1 of, and to repeal Section 253 and Article 3 (commencing with Section 300) of Chapter 2 of Division 1 of, the..." 1963 Session of the Legislature. Statutes of California. State of California. Ch. 385 p. 1182.
  36. ^ Staff (August 28, 1961). "C of C Submits Road Prioirities". The San Diego Union. p. A16. OCLC 13155544.
  37. ^ Staff (October 30, 1964). "$42 Million OKd for County Roads". The San Diego Union. p. A2. OCLC 13155544.
  38. ^ Staff (October 22, 1965). "$48.1 Million Allotted For Roads In County". The San Diego Union. pp. B1, B6. OCLC 13155544.
  39. ^ Staff (December 12, 1967). "White Markers Will Replace Freeway Lines". The San Diego Union. p. B1. OCLC 13155544.
  40. ^ Staff (March 31, 1970). "News briefs: El Cajon C of C Seats Nominees". The San Diego Union. p. B1. OCLC 13155544.
  41. ^ Staff (December 22, 1968). "Eight Highway Projects Listed in Four Counties". The San Diego Union. p. B3. OCLC 13155544.
  42. ^ Staff (March 15, 1970). "Highway Office Reports on Area Freeway Progress". The San Diego Union. p. B4. OCLC 13155544.
  43. ^ Staff (October 13, 1970). "El Cajon-Lakeside Freeway Opens". The San Diego Union. p. B1.
  44. ^ Staff (August 9, 1970). "Road Work Heavy". The San Diego Union. p. B4. OCLC 13155544.
  45. ^ Taylor, Rivian (December 31, 1980). "Poway Council Includes Route 56 in General Plan". The San Diego Union. p. 3. OCLC 13155544.
  46. ^ Pimentel, Ricardo (January 20, 1983). "San Diego, Poway Back Proposed Freeway". The San Diego Union. p. B3. OCLC 13155544.
  47. ^ "State-Route 56 Transportation Concept Summary" (PDF). Caltrans. May 2008. pp. 1–2. Retrieved October 6, 2012.
  48. ^ Flores, Ernesto (August 21, 1979). "State Aims to Slow Traffic During Route 67 Job". The San Diego Union. p. B3. OCLC 13155544.
  49. ^ Arner, Mark (January 29, 2000). "Caltrans to make Route 67 safer by widening stop areas". San Diego Union-Tribune. p. B11. OCLC 25257675.
  50. ^ Kreuger, Anne (November 22, 2001). "Route 67 safety effort called effective CHP says accidents and injuries decline". San Diego Union-Tribune. p. B4. OCLC 25257675.
  51. ^ Jones, J. Harry (November 22, 2008). "As a safety measure, state Route 67 gets electronic speed signs". San Diego Union-Tribune. p. NC1. OCLC 25257675.
  52. ^ Jones, J. Harry (April 29, 2009). "A dangerous stretch for Route 67 motorists". San Diego Union-Tribune. p. B1. OCLC 25257675.
  53. ^ Lewis, Nancee (May 9, 2009). "Route 67: The safest unsafe highway around". San Diego Union-Tribune. p. NC10. OCLC 25257675.
  54. ^ "A poor highway, dubious statistics, more delay". San Diego Union-Tribune. May 16, 2009. p. NC10. OCLC 25257675.
  55. ^ Schmidt, Steve (June 20, 2009). "2 state agencies vow help for hilly Route 67 Caltrans, CHP to act on big safety issues". San Diego Union-Tribune. p. B3. OCLC 25257675.
  56. ^ Scharn, Nathan (December 5, 2010). "Signs try to lessen the danger of State Route 67". San Diego Union-Tribune. p. NIT4. OCLC 25257675.
  57. ^ Moran, Greg (18 September 2012). "Caltrans wins suit, asks family to pay costs". U-T San Diego. p. A1. OCLC 25257675.
  58. ^ "State-Route 67 Transportation Concept Summary" (PDF). Caltrans. January 2010. p. 5. Retrieved June 21, 2014.
  59. ^ "Interchange Bid is $9.1 Million". The San Diego Union. June 30, 1983. p. B5. OCLC 13155544.
  60. ^ Balint, Kathryn (September 24, 1985). "State officials propose widening of Route 67". The San Diego Union. p. B6. OCLC 13155544.
  61. ^ Jones, J. Harry (April 9, 1987). "Santee begins drive for new freeway off-ramp". Evening Tribune. San Diego. p. B7. OCLC 37687666.
  62. ^ Sherman, Lola (December 29, 1994). "260 new call boxes are giving a lift to busy rural roads". San Diego Union-Tribune. p. B3. OCLC 25257675.
  63. ^ Pierce, Emmet (August 12, 2000). "El Cajon won't help pay for freeway study Refusal may snarl airport-area plans". San Diego Union-Tribune. p. B2. OCLC 25257675.
  64. ^ Clark, Brian (December 14, 2001). "Ramona highway bypass plan gets SANDAG committee OK". San Diego Union-Tribune. p. NC2. OCLC 25257675.
  65. ^ Clark, Brian (March 1, 2002). "Roundabout proposed for Route 67 in Ramona". San Diego Union-Tribune. p. NC9. OCLC 25257675.
  66. ^ Ristine, Jeff (November 1, 2003). "Caltrans gets rolling on repairs, hoping to minimize closures". San Diego Union-Tribune. p. B3. OCLC 25257675.
  67. ^ Ristine, Jeff (July 26, 2003). "Planners to review five road projects Anti-sprawl group threatened to sue". San Diego Union-Tribune. p. NC1. OCLC 25257675.
  68. ^ Jones, Harry J. (November 22, 2007). "Officials aim to learn from chaotic evacuation Roads out of town seen as inadequate". San Diego Union-Tribune. p. B8. OCLC 25257675.
  69. ^ Clock, Michelle (March 3, 2008). "A long road to completion State Route 52, envisioned in '50s, getting its last section". The San Diego Union-Tribune. p. A1. OCLC 25257675.
  70. ^ Clock, Michelle (February 7, 2009). "Caltrans Route 52 project manager". The San Diego Union-Tribune. p. EZ1.
  71. ^ "Building of Routes 52, 67 interchange to be marked". The San Diego Union-Tribune. June 19, 2008. p. B2. OCLC 25257675.
  72. ^ Clock, Michelle (April 1, 2010). "Route 52 work gets extension". The San Diego Union-Tribune. OCLC 25257675. Retrieved November 16, 2012.
  73. ^ Schmidt, Steve (March 29, 2011). "State Route 52 through Santee is open at last". The San Diego Union-Tribune. OCLC 25257675. Retrieved August 21, 2012.
  74. ^ a b California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on September 5, 2015. Retrieved June 30, 2015.
  75. ^ Warring, KS (July 10, 2008). "State Route 67 Freeway Interchanges" (PDF). California Numbered Exit Uniform System. Sacramento: California Department of Transportation. Retrieved February 5, 2009.
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