GBA Designs US-166 Expansion for KDOT
KDOT’s T-Works Program
As part of the Kansas Department of Transportation’s (KDOT) T-works program project, GBA was hired to design the US-166 expansion in Cherokee County. T-Works is a 10-year transportation program created by KDOT to create jobs, preserve highway infrastructure and provide multi-model economic development opportunities in Kansas.
Project Overview
Envisioned as a pivotal link between the state line and the US-400/US-166 junction, the four-mile stretch of the US-166 expansion was meticulously planned. This visionary design encompassed a four-lane freeway with two interchanges and nine bridges.
GBA designed the freeway to utilize existing right-of-way where possible, avoid environmental impacts on the existing floodplain, address local accessibility concerns and significantly enhance motorist safety. More than just a local enhancement, this expansion would align with KDOT’s broader plan of establishing a continuous four-lane freeway from Kansas City to Missouri’s I-44.
Designed on an offset alignment, the US-166 Expansion Project prioritized the preservation of residential properties along the existing route. In a strategic move, the existing US-166 transitioned into a county road, ensuring continued service to the surrounding properties while paving the way for progress.
Phases of Progress
Progress of the project unfolded across four pivotal stages:
- Beginning in 2011, Phase One focused on refining the project area boundaries.
- Phase Two developed a refined improvement concept and preliminary design plans, which were completed in 2014.
- Phase Three began in the winter of 2014 and developed final design plans for the US-166 expansion but was later put on hold in the spring of 2017 due to funding constraints.
- Despite setbacks, Phase Four commenced in 2022 and is committed to achieving substantial completion by 2024.
KDOT’s T-works program was estimated to complete 37 construction projects and 6 preliminary engineering projects. Over 250 miles will be completed, and the economic impact on the state of Kansas was estimated at $10 billion.