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Case Studies

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


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Collapsed Bridge

I-35W St. Anthony Bridge Collapse and Reconstruction Over Mississippi River

Minneapolis, MN (Completed 2008-09-18)

The I-35W St. Anthony Bridge replacement project is hereby offered as a CSS National Dialog submission case study because it demonstrates a unique and amazing local and national story and most surprisingly to some that under extreme... more

I-405 Corridor Program

(Completed 2005)

It is the intent of the Washington Department of Transportation (WSDOT) to integrate community values into the design of the I-405 Design/Build Project. As a consultant to WSDOT, HNTB is accomplishing this important goal by fully employing the... more

I-485 South Blvd Parking Deck Under Construction in Ravine

I-485/South Boulevard Station Parking Deck - LYNX Blue Line Light Rail Project

Charlotte, NC

CATS needed a large real estate parcel to construct the I-485/South Boulevard light rail parking deck at the end of the line. There was limited availability of existing real estate. After a suggestion by a local resident during a community... more

The existing facility was functionally obsolete and did not provide an acceptable level of service. The project addressed anticipated future traffic demands will provide sufficient median size to allow future expansion and/or multimodal use for mass transit. The upgraded roadway was expanded to 6 lanes with modern design features. This project is part of a comprehensive initiative to upgrade roads in the Tampa area.

I 4 Reconstruction

Tampa, FL

The existing facility was functionally obsolete and did not provide an acceptable level of service. The project addressed anticipated future traffic demands will provide sufficient median size to allow future expansion and/or multimodal use for mass... more

I-5 Beltline Highway Interchange Improvement

I-5 Beltline Highway Interchange Improvement

Eugene, OR

A structured, inclusive process built community consensus for a solution to bottlenecks and safety problems at a busy interchange in this interstate freeway.

I-696: Three Pedestrian Plazas Over Freeway

These three pedestrian plazas are located in the cities of Oak Park and Southfield in Oakland County. The area includes a mix of residential, community, and commercial properties.

The purpose of the pedestrian plazas is to maintain... more

I-69 Scenic Corridor Management Study

(Completed 2004-10)

The study area encompassed approximately 47 miles of I-69 that passes through Branch and Calhoun counties. Landscapes within this corridor represent a variety of natural and built landscapes including active and fallow farmland, residential... more

I-70 Mountain Corridor

Colorado Department of Transportation (CDOT) initiated the program based on a commitment made in the 106 Programmatic Agreement. This commitment charged CDOT to initiate a CSS project focused on the decision process and guidelines for all future... more

I-84

I-84, Cole Interchange to Broadway Interchange Soundwalls

The I-84, Cole Interchange to Broadway Interchange Soundwalls project was initiated as a result of an Environmental Assessment and a planning study for Interstate 84 in Boise from west of the Orchard Interchange to the Gowen Interchange. The study... more

I-84 - Soundwall

I-84, Cole Interchange to Broadway Interchange Soundwalls

The Idaho Transportation Department (ITD) has constructed the soundwalls at recommended locations on Interstate 84 beginning east of the Cole-Overland Interchange and ending at the Broadway Avenue Interchange. During the design process, an... more

Courtesy of Greg Westergaard, ODOT Photo/Video

I-84 Corridor Strategy

(Completed 2013)

Interstate 84 in the Columbia River Gorge National Scenic Area (CRGNSA) is a critically important corridor that serves as a primary regional transportation artery, a key interstate freight route, and a scenic highway.

I-90 Two-Way Transit and HOV Operations, Seattle to Bellevue, Washington

Seattle, Bellevue, WA (Started 1998)

To improve regional mobility by providing reliable and safe two-way transit and HOV operations on Interstate 90 between Bellevue and Seattle, while minimizing impacts to the environment and to other users and transportation modes.

The I-90... more

I-94/ US-24: Reconstruction and Tied Arch Bridge

Taylor, MI

The project location was I-94 from Beech Daly Road to Pelham Road and US-24 from Van Born Road to Ecorse Road in Wayne County.

The project involved reconstructing a portion of I-94 and US-24 in the city of Taylor. An additional... more

I-96 at 36th Street: New Interchange

Grand Rapids, MI (Started 2005, Completed 2006)

The project will include constructing a new interchange on I-96 at 36th Street. Currently, the Kent County Road Commission is nearing completion of the extension of 36th Street. The interchange will tie into this extension. Upon completion, this new... more

I-96 BL (Grand River Avenue) Roadway Rehabilitation

Howell, MI

The project location was I-96BL (Grand River) from M-59 to Grand Oaks Drive in Genoa, Oceola, and Howell Townships and the City of Howell, Livingston County.

The project involved a milling and resurfacing, construction of a center... more

Replace a deteriorating historic bridge quickly reaching its intended lifespan (1939 was the last structural improvement) located in a unique setting that includes a nearby historic hotel and scenic river front area.

IA, Hwy 1, Keosauqua Bridge

Keosauqua, IA

Replace a deteriorating historic bridge quickly reaching its intended lifespan (1939 was the last structural improvement) located in a unique setting that includes a nearby historic hotel and scenic river front area.

Connecting Dallas Timeline

IH-30 East Gateway

Dallas, TX

Over fifty years ago, Fair Park, portions of Deep Ellum, and adjacent neighborhoods were separated from the rest of the city by the construction of Interstate 30. While the highway provided much-needed mobility and helped suburban development, there... more

Illinois

Illinois Linking CSS and NEPA Processes

Two one-day workshops focused on getting resource agencies involved early in the project development process. Included a presentation by MaineDOT, two IDOT project case studies, and interactive group discussion on how IDOT might improve their... more

Improvements to the Self-Guiding Tour Routes

Murfreesboro, TN (Started 2009)

Issues that initiated this project include the inadequacy of the existing auto tour route in its ability to allow visitors to experience the important historic elements of the battlefield effectively and gain a sense of place; a lack of accessibility... more

Improving Neighborhood Connections, I-465 Reconstruction

Indianapolis, IN

The purpose of the project is the reconstruction of a 12-mile segment of beltway around Indianapolis to provide increased capacity and replace deteriorated infrastructure. Mainline roadway, interchanges, and bridges all required reconstruction as... more

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