Case Studies

This database includes both Case Studies that have been described in official publications and Projects that have been posted here by site members . To search for a particular project, enter a keyword or click on "Advanced Search."

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3500 South EIS, Redwood Road to 8400 West

(Started 2002-03, Completed 2007)

Purpose and Need Problems and needs identified by the entire project team, including community are best seen on the attached pdf.

The Purpose and Need statement was developed through a collaborative effort between local... more

Added Capacity and Noise Walls - SR-527

Added Capacity and Noise Walls - SR-527

Mill Creek, WA (Started 1990)

This project was developed to address congestion on a section of SR-527 between 164th Street SE and 132nd Street SE. SR 527 highway passes through downtown Mill Creek.

Earning rave reviews from the City of Shoreline and the public, the project garnered formal recognition from the American Road & Transportation Builders Association (ARTBA) with its Globe Award, which honors U.S. transportation construction projects that demonstrate environmental excellence and stewardship and serve as role models for other projects.

Aurora Multimodal and Interurban Bridge Project

Shoreline, WA (Started 2007-06)

Community desires to improve the quality of life in the city; promote development; security; stormwater quality; aesthetics.

Bicycle Facilities in San Francisco

Bicycle Facilities in San Francisco

San Francisco, CA

Bicycle lane at the Embarcadero. San Francisco has an extensive system of bike lanes that go over bridges, through parks, and at the waterfront. Some say that the Golden Gate Bridge trail is one of the premier walks/biking experiences in the world.

Bridgeport Way - University Place, Washington

Bridgeport Way - University Place, Washington

University Place, WA (Started 1998-05, Completed 2002-06)

Bridgeport Way is a major urban arterial and it could be considered as a "Main Street" of University Place. The project involved reconstruction of an existing five-lane road into a four-lane divided roadway over a distance of approximately 1.5... more

Canal Parkway, from Wiley Ford Bridge to MD 51

Canal Parkway, from Wiley Ford Bridge to MD 51

Cumberland, MD (Started 1989, Completed 2001)

Prior to this roadway project, severe traffic congestion occurred daily at the Virginia Avenue underpass (locally known as the "subway") of CSXT tracks and its intersection with MD 51. When this facility was blocked (by accidents or flooding) there... more

Carson Street Reconstruction

Carson Street Reconstruction

Torrance, CA

Carson Street is a major east-west arterial street running through the middle of the city of Torrance, CA. High levels of traffic congestion on the original four-lane undivided cross sections and the absence of left-turn lanes were responsible for a... more

Converting Highways into Streets and Avenues

West Hartford, CT

Increasingly, localities around the country are beginning to realize the importance of converting urban highways into streets, avenues, and boulevards. The initial focus has been on restoring downtown main streets. States leading this trend... more

Corridor Management Plan: Minnesota Highway 38 Edge of the Wilderness National Scenic Byway

Grand Rapids, MN (Completed 1995)

The purpose of creating a Corridor Management Plan was to coordinate the philosophies and activities of land management agencies with those of the state and county authorities responsible for planning, designing, constructing, and maintaining a... more

New crosswalk at Front and Myrtle Streets

Downtown Boise Sidewalks Show Artistic Side

Boise, ID (Started 2003)

In spring 2003 the Downtown Boise Mobility Study began working on a comprehensive approach to transportation options in downtown Boise and for people traveling from, to and through the downtown area. Pedestrian enhancements were among the study's... more

East Main Street

Westminster, MD (Started 1990, Completed 1994)

One community's concern over the proposed removal of mature trees to widen the main street of a historic district compelled state officials to dispatch a landscape architect to direct the project.

Euclid Avenue - Lexington, Kentucky

Euclid Avenue - Lexington, Kentucky

Lexington, KY (Started 2000-04-28, Completed 2000-08-10)

Euclid Avenue is a minor urban arterial and is considered the northern boundary of the University of Kentucky campus. The project involved resurfacing and re-striping of an existing four-lane road into a three-lane roadway with bike lanes over a... more

Highway through Aabenraa, Denmark

Highway through Aabenraa, Denmark

Aabenraa (Started 1991)

"The three-km-long, heavily trafficked highway through Aabenraa has been converted according to the principles of environmentally adapted through roads, with due respect paid, however, to the substantial traffic flow. This has reduced car speeds, has... more

Highway through Arnage, France

Highway through Arnage, France

Arnage (Started 1988)

"In Arnage, a suburb of Le Mans, the heavily trafficked main street has been rebuilt in order to improve both traffic safety and the quality of the urban environment."

Highway through Mutzig, France

Highway through Mutzig, France


"Mutzig is one of the many beautiful towns in Alsace, and the conversion that was made of the main street in the 1980s lives up completely to the inherent charm of the town."

Houghton Streetscape and Brick Street Re-Installation

Houghton, MI (Started 2007, Completed 2009)

The Michigan Department of Transportation (MDOT) Ishpeming Transportation Service Center (TSC) and its partners took an innovative approach on the US-41 Houghton, Michigan, downtown streetscape project by, among other things, actually drawing... more

Indianapolis Cultural Trail

Indianapolis, IN (Started 2000, Completed 2013-05)

Leaders in the city of Indianapolis, Indiana, wanted to make it easier for people to visit the city’s cultural districts, which were disconnected from the heart of downtown and didn’t get the attention they merited. In a city with a successful... more

Lake Worth, Florida

Lake Worth, Florida

Lake Worth, FL (Started 1994, Completed 1998)

"Florida DOT, working with Lake Worth planners, conducted an experiment: using only paint, two principal downtown streets were significantly narrowed to two lanes with the third lane striped for parking. When accident rates fell by over 44 percent... more

Main Street and the Blake Transit Center

Ann Arbor, MI (Started 1965)

We need to encourage people to spend more time downtown, not move through quickly. By widening the sidewalks or adding diagonal parking or taking a look at two-way traf- fic again, it would have some impact on the Blake Transit Center. People... more

Maryland Route 108 map

Maryland Route 108

Olney, MD (Completed 1995)

Since the mid-1980's, land development around this suburban Baltimore highway has lead to drastic increases in traffic volume. Officials sought to maximize Route 108's capacity and relieve its congestion just as Maryland was developing their... more

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