Suburban Maryland Transportation Alliance P.O. Box 10352 Rockville, MD 20849

Welcome to the Suburban Maryland
Transportation Alliance.

Traffic congestion in the Washington, DC, area is among the worst in the nation. Suburban communities in Maryland are all struggling with deteriorating roads and bridges,while dozens of unfunded transit, road, bicycle and pedestrian improvements that could make a real difference remain stuck in “neutral.” The Suburban Maryland Transportation Alliance (SMTA) was formed to get us moving again, by providing expert analysis, public education and ongoing advocacy for a more efficient, safe and balanced transportation network in Suburban Maryland.

Our Latest Blog Posts

Regional Transportation Planning Board to Move Forward on Long-Range Plan – Action Needed

July 20, 2017

This Wednesday, July 19, the COG Transportation Planning Board (TPB), will finalize the list of projects in their long-term study (details below). The public is invited to testify and your input is crucial, either in person or via email (using the button below). What TPB is voting on In light of studies showing our current… Read More »


New “Fix270Now” Coalition Launches Effort to Ease Traffic on 270

September 19, 2016

Area leaders, including U.S. Representatives John Delaney and Chris Van Hollen, and a host of local and state officials from Montgomery and Frederick Counties, gathered today to launch a new coalition effort to re-start two long-delayed project studies that hold great promise for unlocking the severe traffic nightmare that is I-270 during both rush-hours. Congressman Delaney is… Read More »


Purple Line Forum September 29 to Focus on Denver Experience

September 12, 2016

Purple Line Now is hosting a forum at the Bethesda-Chevy Chase Services center September 29th to explore Denver’s experience with a light-rail line delivered through a public-private partnership, as is also the case with Maryland’s Purple Line. Guests are invited to sign up in advance to attend. Click this link to RSVP. The Purple Line… Read More »


Transportation Facts

SMTA has assembled a series of briefing papers on the basics, below, and will be adding more detailed reports, white papers and studies to these pages in the future:



Nancy Floreen interview


Group Calls for Improvements to Congested 270

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SMTA Sponsors

Transportation funding remains a key issue in Maryland this year. Tell your legislators to Invest Now!