About the Project

City of St. Louis, Missouri

Calm Streets are streets with low motorized traffic volumes and speed, that create safe and accessible routes for walking and biking. These routes are important within the transportation network of St. Louis to encourage active transportation for both modes of commuting, as well as for recreation.  CBB completed the conceptual design and plan for the pilot Calm Streets Louisiana Avenue project in the City of St. Louis.

The City of St. Louis works every day to plan, design and implement facilities that promote safe and accessible travel for users of all abilities and ages. As such, implementing a Calm Streets Network in the City promotes the vision for encouraging walking and biking. The project began as a partnership between the City of St. Louis and Trailnet, and many other involved stakeholders to develop the vision for a Calm Streets network and establish pilot routes for planning. 

CBB was hired to complete the pilot route plan, as well as conceptual level designs for the defined route on Louisiana Avenue from Meramec to Cherokee, in South St. Louis. The plan details typical treatments used on these types of facilities: bumpouts, traffic circles, speed humps, intersection pavement markings, stop sign removal and environmental plantings, as well as best practices for design and implementation. Also included in the plan is a 1-mile concept design, from Meramec to Gravois, that uses these traffic calming tools, strategically placed throughout the corridor according to best practices, for future design and implementation. 

In addition to developing a plan (toolkit) for implementation throughout the City, as well as within the larger St. Louis region, CBB prepared a Transportation Alterative Program (TAP) application. The Louisiana project was rated the number-one project in the region by the East West Gateway Staff and received $1 million in federal money for design and construction. The project will be constructed in 2022. 

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