Red Light, Green Light, LED Light? Maryland Installing Efficient Lamps At Traffic Signals

The Maryland State Highway Administration said bulb replacement is 93 percent complete and should be finished by winter.

By Sean Welsh

HD quality isn't just for your big screen TV anymore. Now, it's available at your nearby stop light.

Maryland, as part of the EmPOWER Maryland Initiative, has converted more than 93 percent of the state's 3,000 traffic signal lights to more efficient bulbs. The installation of light-emitting diode (LED) lamps will save up to 43 million kilowatt hours by 2015, according to a State Highway Administration news release.

That savings equates to the energy required to power 4,500 Maryland residences in a given year, according to the news release. 

“SHA is capitalizing on more efficient technologies that emphasize our commitment to the environment and greener highways,” SHA Administrator Melinda B. Peters said in a statement. “LED technology provides brighter, more visible traffic signals, which improves safety for the millions of people who travel in Maryland every day.”

Bulb conversion began in 2006 as a measure to improve energy costs and visibility, SHA officials said. The signals also require less maintenance than incandescent bulbs, the release said.

According to SHA officials, technicians have reported a 68 percent decrease in bulb burn-out related calls.

LED bulbs are used in new construction, and retrofitting began on the Eastern Shore and in Western Maryland, and is now taking place in Central Maryland and around suburban Washington D.C., the release said.

SHA officials said they anticipate all signals will be converted to LED bulbs by winter.
P August 25, 2013 at 01:43 PM
Glad to hear about the light bulbs, but what about the traffic light poles. Yesterday, Saturday August 24th at 4:00PM, the traffic pole at Arlington, Old Georgetown and Wilson Lane came crashing down in the middle of the street. Police cars, Firetrucks and Rescue vehicles responded. The intersection was tied up in all directions. For the longest time there was no traffic control, until a bike cop should up. He was observed by the cop car cops who were enjoying a confab while observing the jam grow bigger. Supposedly, this is expected. From a reliable source we learned there is a defect in the base of these poles and we should expect more of them to collapse. This appears to have a plan like the WSSC water pipes -wait.


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