A freeway sign along northbound Interstate 95 near Baltimore, Md., warns of the closure of the Baltimore-Washington Parkway Wednesday, July 6, 2011. Maryland State Police and Anne Arundel County ... more 
A freeway sign along northbound Interstate 95 near Baltimore, Md., warns of the closure of the Baltimore-Washington Parkway Wednesday, July 6, 2011. Maryland State Police and Anne Arundel County police are searching for an armed man along the Baltimore-Washington Parkway, but police say no one has been injured. (AP Photo/Ann Heisenfelt) less 
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Associated Press | Photo By Ann Heisenfelt
Wed, Jul 6, 2011 4:12 PM EDT