After a driver hit a DC librarian on a dangerous stretch of Maryland Avenue NE, DC will install temporary barriers to expand sidewalks at the corners:




"Bulb-outs,” which narrow streets at the corners so that pedestrians don’t have to cross as far, are a proven way to reduce pedestrian crashes and generally slow down traffic. Drivers then can’t take the turns at as high a speed, so they have more time to see people waiting to cross.

The District Department of Transportation (DDOT) will temporarily create these bulb-outs at the corner of Maryland Avenue and D and 7th streets, NE with plastic bollards, which are quick and cheap to use. According to a post on DDOT Dish, in the fall the plastic at Maryland Avenue will give way to large planters and brick-colored pavement.

The agency put in temporary plastic curbs at the corner where 15th, W, Florida and New Hampshire NW come together. As in this case, that change happened right after a crash — a fatal one in May, 2009. There is a permanent design for that intersection, but permanent projects can take many years.

In the meantime, temporary changes can keep an intersection safe. Plus, they give everyone a chance to see how a potential change works. Right now, DDOT only sets up temporary measures after someone gets killed or almost killed. DC could make streets safer now by using temporary curbs more often and earlier in the design process.

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David Alpert is the founder of Greater Greater Washington and its board president. He worked as a Product Manager for Google for six years and has lived in the Boston, San Francisco, and New York metro areas in addition to Washington, DC. He lives with his wife and two children in Dupont Circle.