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"A Major Catalyst for Growth" Stanley Consultants was the prime designer on a new one-mile segment of SR 24 Williams Gateway Freeway in Maricopa County, Arizona Learn More
LaSalle Drive Reconfiguration Project Stanley Consultants provided Phase III construction engineering services to the Chicago Department of Transportation (CDOT) for the construction of the LaSalle Drive Reconfiguration Project. Learn More
Stewards of Public Funds Through innovative cost estimating and constructability reviews, Stanley Consultants is helping Utah Department of Transportation (UDOT) become wise stewards of public transportation funds. Learn More
Innovative LiDAR Survey Helps Accelerate Intersection Improvement Stanley Consultants provided complete design engineering services for the improvements of the intersection and the roadway widening at 9800 South and Wasatch Blvd. By using LiDAR, Stanley Consultants helped accelerate the project’s schedule for this urban roadway intersection project. Learn More
De-Congesting Arizona’s Chino Valley Highway Stanley Consultants served as Arizona DOT’s prime design consultant to develop an innovative solution to the congestion and safety problem on SR 89. Learn More
Gavilan Peak Parkway – A Safer Commute Four lanes of roadway connecting the community of Anthem, Arizona, to The Carefree Highway provide local residents a bypass around the bustling Interstate 17 area. Learn More
Four Bridges Removed and Replaced in 37 Hours for Utah Department of Transportation Stanley Consultants and Wadsworth Brothers Construction teamed up to remove and replace four bridges in an unheard of 37 hours for Utah Department of Transportation. Learn More
Liberia Roads Assessed for Either Complete Upgrade or Rehabbed on Emergency Basis Stanley Consultants completed a project in the West African state of Liberia that included a complete assessment of 600 kilometers of road to prioritize which links should be rehabilitated on an emergency basis and which ones required totally new construction. Learn More
Environmental Impact Study Determines Effect of Upgrading Paraguay Roads From interviewing indigenous groups to taking inventory of local flora and fauna, Stanley Consultants performed a comprehensive environmental impact study for improving transportation in Paraguay. Learn More
Expedited Design Improves Safety of Dangerous Chicago Intersection Stanley Consultants’ design of a dangerous Chicago intersection alleviated congestion and greatly improved motorist safety. Learn More
Improved Highway Decreases Travel Time, Increases Safety Stanley Consultants provided planning, design, and construction management services for Jamaica’s North Coast Highway. Learn More
Roadway Project in Capital City of Zambia Relieves Bottlenecks and Reduces Accidents The Kafue-Lusaka Road project is a multi-phase rehabilitation program that provided an improved road transportation system for traffic destined for intra-regional markets. Learn More
lL Road Bridge Reconstruction The existing Russell Road Bridge was deteriorating and the vehicle capacity of the bridge was less than what was required for the area. Learn More
IL 47 Reconstruction from Reed Road to Kreutzer Road To help improve the safety and vitality of the Village of Huntley, Stanley Consultants coordinated with the Illinois DOT, McHenry and Kane Counties, and the Village to widen 2.7 miles of IL Illinois Route 47. Learn More
Sandy City Roadway Widening and Intersection Improvements Stanley Consultants was contracted by Sandy City, Utah to provide design and construction management services of the important 9000 South and 700 West roadway widening and intersection improvement project. Learn More
Innovative Gantry System Improves Traffic Flow While Rebuilding Fox River Bridge Using girders that increase the structural depth of the bridge made it possible to construct the substructure of the new bridge underneath the existing bridge. Learn More
Vietnam Infrastructure Development Program Stanley Consultants is helping Vietnam build their world-class transportation system with the Noi Bai Naht Tan Bridge connecting road. Learn More

Widening Eliminates Congestion – I-294 Bridges, Markham Yard

Stanley Consultants provided engineering services for two mainline bridges.  These 17-span bridges are one half-mile in length and cross over a major railroad switching yard.  The project included the reconstruction and widening of 2,000 feet of roadway, 1,766 feet of dual bridge structure and 1,600 feet of tied-back soldier pile retaining walls.  The purpose of this project was to add two mainline travel lanes plus full median shoulders in both directions along the Tri-State Tollway.

Due to the complexity of this project, the widening was stage constructed over a three-year period.  The project included removal, replacement or rehabilitation of 47 substructure units, substructure and foundation widening at 34 locations and a complete concrete deck and steel girder replacement and widening.

A major obstacle was that the intermodal tracks were close to existing piers and operated on a 24/7 schedule.  Metra tracks had to remain operational for all but a few hours each day and since flooding was already a problem, creating additional runoff was not an option.

As a result, the bottleneck was completely eliminated.  Existing piers were salvaged and widened using staged construction on kinked alignments to avoid track relocation and delay, and stormwater runoff was piped to underground detention units.

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