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

The goal of the project is to develop Bridgeport Way as a corridor that will improve traffic safety, increase the mobility and cohesiveness of the community, enhance the appearance of the corridor, and control traffic growth.

Bridgeport Way Reconstruction

University Place, WA

The purpose of this project was to address the safety concerns due to the high number of crashes over the past years. At the same time it was viewed essential to the vision statement of the City Council that aimed in improving the quality of life in... more

Bulbout: Cotati, California

Bulbout: Cotati, California

Cotati, CA

This sidewalk extension is under construction on Old Redwood Highway, a two-lane road in a small rural town.

Bulbouts in Anderson, SC

Bulbouts in Anderson, SC

Anderson, SC

Downtown Anderson, South Carolina features landscaped sidewalk extensions with inset diagonal parking, in addition to paved sidewalks and crosswalks.

The purpose of this project was to address safety and capacity issues, with improved geometrics. Environmental and cultural enhancements were also included in the project.

Cody-Yellowstone Highway Project, Wyoming

Cody, WY

The purpose of this project was to address safety and capacity issues, with improved geometrics. Environmental and cultural enhancements were also included in the project.

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

Danville-Riverside Bridge and Approach - Pennsylvania

Danville-Riverside Bridge and Approach - Pennsylvania

Danville-Riverside, PA (Started 1991, Completed 2000)

The project involved replacement of an existing two-lane Parker Through Truss bridge built in 1904 spanning the Susquehanna River, with a new 1,440 foot-long bridge with weathered steel haunched girders. The approach to the old bridge from Danville... more

Downtown Revitalization, Safety & Congestion Improvements, SR-14 - Bingen

Downtown Revitalization, Safety & Congestion Improvements, SR-14 - Bingen

Bingen, WA (Completed 2004-08)

The purpose of this project was to reduce traffic congestion through this section of SR-14, which improved safety and traffic flow (mobility). The city of Bingen needed economic revitalization of the downtown corridor, and anticipated that their... more

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

Historic Columbia River Parkway

Historic Columbia River Parkway

Columbia River Gorge, OR

The first paved highway in the northwestern United States, the Columbia River Highway was conceived, designed, and constructed as both a scenic attraction and as a means of facilitating economic development along the Columbia River corridor between... 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

Lyndon Road Bridge Replacement

Lyndon Road Bridge Replacement

Perinton, NY (Started 1993, Completed 2002)

The Lyndon Road Bridge was a one-lane 5-span bridge that crossed over the Erie Canal and CSX railroad line. A camelback structure spanned the Canal, with pony trusses spanning the railroad. The 1911 structure had become inadequate for vehicular... more

Mannsdale Road, Mississippi Route 463

Jackson, MS

Mannsdale Road is located west of the city of Madison northwest of Jackson, Mississippi. The road is about 8 mi long and is currently two lanes wide. Land use varies significantly along the short project length. Light commercial is prevalent at... 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

Maryland Route 355

Maryland Route 355

Montgomery County, MD

Significant regional traffic growth and localized development has resulted in traffic increases along Route 355, a two-lane highway in rural and suburban Maryland. Completion of this mobility-enhancing project required a comprehensive approach... more

ME Route 26

New Gloucester, ME

The purpose of this project was to improve 5.5 miles of a deficient portion of State Route 26, to address safety and travel conditions and at the same time minimize environmental and community features.

Merritt Parkway Gateway Project

Merritt Parkway Gateway Project

Greenwich, CT

Since its opening in 1940, the Merritt Parkway has been recognized not only as an essential component of Connecticut's transportation system but as an asset with unique design features and scenic character. During the 1990s, ConnDOT sought to improve... more

Merritt Parkway: Greenwich, Connecticut

Merritt Parkway: Greenwich, Connecticut

Greenwich, CT (Started 1992, Completed 1997)

Much has been written and reported about the safety improvements and landscape restoration of the Merritt Parkway which started in the 1990s in Greenwich, Connecticut, a unique community that shaped the approach that was ultimately taken to improve... more

The need existed to provide improved and additional access into the Bowling Green Central Business District from a new interchange on I-65.

New Reconstruction of Cemetery Road (KY 234)

Bowling Green, KY

The need existed to provide improved and additional access into the Bowling Green Central Business District from a new interchange on I-65. The project was also intended to relieve traffic congestion and improve safety on Cemetery Road by... more

NM 14: Turquoise Trail

Madrid to Lone Butte, NM (Started 1994, Completed 2007)

This project covers a portion of NM 14, the Turquoise Trail, which has cultural, historic and visual features that are significant for the community. Reconstruction of the roadway and three bridges was necessary due to deteriorated conditions and... more

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