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Why Postal Trucks Park in Traffic
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Anyone else run into this problem?
The Doctor Is Out
Dr. Gridlock will resume online chats April 10.
Transportation researcher Diane Mattingly contributed to this column.
Dr. Gridlock appears Thursday in the Extra and Sunday in the Metro section. You can write to Dr. Gridlock at 1150 15th St. NW, Washington, D.C. 20071. He prefers to receive e-mail, atdrgridlock@washpost.com, or faxes, at 703-352-3908. Please include your full name, town, county, and day and evening phone numbers.
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