Chat with Dr. Gridlock on Monday at noon

Do you have questions or comments about Metro, commuting, congestion or any other transportationi ssue? If so, Dr. Gridlock wants to hear from you. will be online and taking your questions on Monday at noon. Head here to submit a question early and head back there on Monday for the chat.

Mark Berman is a reporter on the National staff. He runs Post Nation, a destination for breaking news and developing stories from around the country.
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