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21st Street Rehabilitation

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Topeka, Kansas When the city of Topeka was faced with the challenge of quickly repairing a 400-foot stretch of deteriorated concrete on a major road, GBA answered the call. After wear and tear from winter weather, a rapid rehabilitation of 21st Street’s concrete pavement, raised median, and curb and gutter were needed. The road carries 27,000 vehicles a day, is Read More>
Route N roadway

Route N Improvements

Posted on Posted in Project
Cottleville, Missouri Over the past decade, GBA’s team of transportation experts were involved in the Route N Improvements in Cottleville, Missouri—from funding applications to final design. The firm managed the project through two phases. This involved assisting the city with project funding applications and coordinating team meetings amongst funding sources, which included MoDOT cost-share, East-West Gateway LPA funding, St. Charles Read More>

Paragon Star Development

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Lee’s Summit, Missouri Paragon Star, a 300-acre, mixed-use development, is a case of what can happen when stakeholders envision work, play and living spaces together in one community. Located in Lee’s Summit, the development will include recreational, office, retail, hotel, entertainment, convention and residential uses. GBA provided civil, traffic, environmental and survey services for Paragon Star’s preliminary and final plans, Read More>

Wabash Avenue Reconstruction

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O’Fallon, Missouri GBA performed conceptual, preliminary and final design for the LPA administered reconstruction of Wabash Avenue. The design consisted of a wider roadway section, grade changes, intersection realignment, sidewalk, drainage improvements, channel improvements and bridge replacement. Before reconstruction, the corridor consisted of substandard clear zones, poor intersection geometrics, unconnected and non-ADA compliant pedestrian facilities, and an undersized and hydraulically Read More>
Aerial view of Canal Route

Canal Route Bridge Repair

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Wichita, Kansas The Canal Route Bridge Repair project on I-135 in Wichita, Kansas, was vital to motorists in Wichita and south-central Kansas. The bridge, constructed in 1979, carries an average of 92,500 vehicles a day, directs traffic through the core of Wichita (the state’s largest city) and links with three other major freeway and highway routes. GBA led an asset Read More>

US-50 and MO-291 S Interchange Improvements

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Lee’s Summit, MO A divergabout, a brand-new layout which includes a diverging diamond cross-over at one ramp terminal and a roundabout at the other, was chosen to alleviate traffic issues at this busy interchange and provide stakeholders with long-term time and cost savings. GBA was hired to refine and optimize this unique concept. Details like bridge skews,ramp alignments,roundabout geometrics, lane Read More>
Aerial view of interchange at Johnson County Gateway

Johnson County Gateway Phase 2 Design/Build

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Johnson County, Kansas GBA was a major participant in KDOT’s first-ever major design-build project. The Gateway project included 26 structure projects to help improve this important corridor of I-435, I-35, US-69, K-10 and more. GBA was responsible for 15 structures, with design activities spanning a little over a year. Within about three months of notice-to-proceed, GBA’s design teams were responsible Read More>