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Credit: Courtesy Dave Statter

After 40 years, traffic guru Bob Marbourg leaves the WTOP Traffic Center

Rain, crashes snarled Friday traffic on eastbound Route 50 at Bay Bridge

Inner Loop nightmare: Tanker flops, blocks Legion Bridge traffic into Md.

Meet WTOP Traffic reporters at Va. transportation open house

Traffic, traffic everywhere: Wednesday’s PM commute ensnared in crash aftermath

Video: WTOP’s Bob Marbourg talks I-66 tolls in NBC Nightly News interview