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State Trunk Highway 145 (STH 145, commonly known as Highway 145 or WIS 145) is a road which connects the northwest suburbs of Milwaukee with the city's downtown. For much of its route, the highway is known as Fond du Lac Avenue.

State Trunk Highway 145 marker

State Trunk Highway 145
Route information
Maintained by WisDOT
Length 23.9 mi[1] (38.4 km)
Major junctions
South end US 18 in Milwaukee
  I-43 in Milwaukee
I-41 / US 45 / WIS 100 in Milwaukee
North end I-41 / US 41 / US 45 / CTH-FD in Germantown
Counties Milwaukee, Waukesha, Washington
Highway system
WIS 144 WIS 146

Up until the fall of 2009, Highway 145's northern terminus was at the freeway interchange with US-41 in Richfield. A project involving the construction of five roundabouts in a less than one mile span has truncated the highway's northern terminus to the freeway interchange with US-45, with the stretch of roundabouts between US-41 and US-45 now designated as County Highway FD. Highway 145 travels generally southeast through Germantown as a secondary highway. Upon reaching Menomonee Falls, the road expands into a four-lane boulevard for just over one mile (1.6 km), straddling the Waukesha and Milwaukee County line before intersecting with US-41/45 again.

At this point, the road heads into the city limits of Milwaukee and becomes a freeway, officially known as the Fond du Lac Freeway, though this term is rarely used locally. Although it was originally planned to continue into the heart of downtown, the freeway ends after just under five miles (8 km) at which point it intersects with 68th Street and Hampton Avenue. Highway 145 continues as Fond du Lac Avenue into downtown. It is a four-lane boulevard until Burleigh Street, at which point it becomes a four-lane urban arterial. It becomes a four-lane boulevard again at 20th Street until its intersection with Sixth Street. A major interchange at I-43 is just past the intersection with Walnut Street. Highway 145 turns south onto Sixth Street before terminating at the intersection with US-18 (Wells Street), adjacent to the Frontier Airlines Center convention hall.

Highway 145 was once also a part of the Park East Freeway, a short spur running east from its intersection with I-43, over the Milwaukee River before terminating at Broadway and Milwaukee Street at East Knapp Street. The freeway was demolished between 2002 and 2003, with the replacement surface streets not complete until 2006.[2]


Major intersectionsEdit

County Location mi km Exit Destinations Notes
Milwaukee Milwaukee 0.00 0.00   US 18 Southern terminus
  I-43 Exit 72A on I-43
  WIS 57 south (N. 17th Street) Southeastern end of WIS 57 concurrency
  WIS 57 north (N. 20th Street) Northwestern end of WIS 57 concurrency
  WIS 190 (W. Capitol Drive)
Fond du Lac Avenue Southeastern end of freeway
7A Grantosa Avenue, Villard Avenue Southbound exit and northbound entrance only
7B   WIS 181 (76th Street)
8 Silver Spring Drive Northbound exit to eastbound only; southbound exit to westbound only
9 91st Street
10A Green Tree Road, 102nd Street Southbound entrance and northbound exit only
10B 107th Street, Good Hope Road, Fond du Lac Ave Signed for Good Hope Road northbound only; signed for Fond du Lac Avenue southbound only
10C Park Place
    I-41 / US 45 / WIS 100 Exit 47B on US 41/US 45/WIS 100
Waukesha Menomonee Falls   WIS 100 (Main Street)
Washington Village of Germantown   WIS 167 east (Mequon Road) Eastern end of WIS 167 concurrency
  WIS 167 west (Mequon Road) Western end of WIS 167 concurrency
Richfield   US 45 Exit 60 on US 45
  US 41 Exit 60 on US 41
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Fond du Lac Freeway extensionEdit

Originally, the freeway portion of Highway 145 was to extend further southeast and there was to be a major interchange located near the intersection of W Lisbon Road and W North Avenue, connecting the Fond du Lac with the proposed extension of the Stadium Freeway and the proposed Bay Freeway. This was never built.

In October 1975, Milwaukee County Executive John Doyne proposed connecting this freeway with the Stadium North stub end, existing 4 miles (6.4 km) to the south. While this "Gap Closure" has not been built to date due to public opposition, the current state trunk highway map shows a freeway planned for this corridor.


  1. ^ STH145 on Christopher J. Bessert's "Highways 140-149" page at
  2. ^ Bessert, Christopher J. "Milwaukee Freeways: Park Freeway" Accessed July 23, 2006

External linksEdit