Sustainable Streets in St. Louis

The city of St. Louis has been testing out a new sustainable streetscape design that calms traffic and helps absorb stormwater. The test run has been so well-received, the city is thinking about rolling out the design permanently.

1 minute read

October 18, 2009, 7:00 AM PDT

By Nate Berg


The 30-day test is likely to become the new model for the city's street designs.

"The new design reduces four traffic lanes to three, changes the timing of traffic lights, adds curb 'bulb-outs' to reduce the amount of yardage pedestrians need to cross from 56 to 40 feet, and increases lighting and landscaping. About $2.7 million in federal stimulus funds have been awarded for the work.

'The goal is to have 50 percent of the new sections porous surfacing or plantings,' Culbertson said. 'If we do that, then the majority of the water that falls will actually percolate into the ground.' St. Louis has a combined sewage-stormwater system, which can be overwhelmed during downpours."

Thursday, October 15, 2009 in The Architect's Newspaper

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

Cover CM Credits, Earn Certificates, Push Your Career Forward

Aerial view of town of Wailuku in Maui, Hawaii with mountains in background against cloudy sunset sky.

Maui's Vacation Rental Debate Turns Ugly

Verbal attacks, misinformation campaigns and fistfights plague a high-stakes debate to convert thousands of vacation rentals into long-term housing.

July 1, 2025 - Honolulu Civil Beat

Logo for Planetizen Federal Action Tracker with black and white image of U.S. Capitol with water ripple overlay.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

July 2, 2025 - Diana Ionescu

White and purple sign for Slow Street in San Francisco, California with people crossing crosswalk.

San Francisco Suspends Traffic Calming Amidst Record Deaths

Citing “a challenging fiscal landscape,” the city will cease the program on the heels of 42 traffic deaths, including 24 pedestrians.

July 1, 2025 - KQED

Google street view image of strip mall in suburban Duncanville, Texas.

Adaptive Reuse Will Create Housing in a Suburban Texas Strip Mall

A developer is reimagining a strip mall property as a mixed-use complex with housing and retail.

4 hours ago - Parking Reform Network

Blue tarps covering tents set up by unhoused people along chain link fence on concrete sidewalk.

Study: Anti-Homelessness Laws Don’t Work

Research shows that punitive measures that criminalized unhoused people don’t help reduce homelessness.

6 hours ago - Next City

Aerial tram moving along cable in hilly area in Medellin, Colombia.

In U.S., Urban Gondolas Face Uphill Battle

Cities in Latin America and Europe have embraced aerial transitways — AKA gondolas — as sustainable, convenient urban transport, especially in tricky geographies. American cities have yet to catch up.

July 6 - InTransition Magazine