Signal Issues Make Messy Commute in Montgomery Co.

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    Getty Images / Scott Olson

    Here we go again. Montgomery County's Traffic Management Center had an issue Tuesday morning that caused traffic signals to fall out of sync, according to a county police spokesman.

    Normally lights favor heavy traffic patterns during rush hour, allowing longer green lights for inbound drivers, but that was not the case Tuesday morning, when a leaky air conditioner apparently caused a power outage that caused problems with the computer that controls the lights.

    Air Conditioner the Culprit in Traffic Signal Meltdown

    [DC] Air Conditioner the Culprit in Traffic Signal Meltdown
    Montgomery County Transportation Officials say a leaky air conditioner caused traffic signals to fail at about 750 intersections across the county. (Published Tuesday, June 29, 2010)

    The signals returned to normal by 10 a.m., but some major corridors in the county still had back-ups -- thanks, in part, to a crash on Interstate 95 -- including Route 29 and Georgia Avenue. Some commuters said they were still trying to make it into work at that time.

    There was a similar problem for a couple of days in November 2009. The signals being out of sync caused major back-ups for morning and evening commuters. Some intersections were manually controlled to help with the flow of traffic.