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.

    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.

    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.