Gaping holes in security checks along the border also remain at heavily trafficked crossings, like this one, in Baluchistan Province, where, American officials say, the Taliban's leaders have taken refuge, out of reach of American and NATO forces.
Syria's management of crossings like this one, and indeed its entire 400-mile border with Iraq, has been a major source of tension with the United States since the war started in March 2003.
The city also shut down its East River crossings like the Brooklyn and Manhattan Bridges.
And driving remained a perilous option, with gas scarcities gripping pockets of the region and crossings like the Holland Tunnel still barring private vehicles on Monday morning.
Busy border crossings like the one in McAllen, Tex., now have relatively elaborate infrastructure set up to handle newly arrived families seeking asylum.
JR East's latest efforts to discourage suicide include painting crossings like these in a green so bright it could have sprung from The Wizard of Oz.
The closing also apparently contributed to congestion at other crossings, like the Lincoln Tunnel, where there were one-hour delays during the time the George Washington Bridge was partly closed.
In September 2001, trucks lined up at major border crossings like the Ambassador Bridge between Detroit and Windsor, Ontario, faced delays up to 15 hours.
Lawmakers later retreated from the demand after business leaders expressed concerns about long traffic lines at major border crossings, like the one Detroit shares with Windsor, Ontario.
And by nightfall, Hurricane Sandy had nearly isolated the island of Manhattan: the East River crossings like the Brooklyn and Manhattan Bridges, were closed at 7 p.m., as were the George Washington, Verrazano-Narrows, Whitestone and Throgs Neck Bridges, among others.
The pricing plan is calibrated to impose higher tolls at crossings like the Holland and Lincoln Tunnels, where there are many mass transit alternatives, and lower tolls at locations like the George Washington Bridge and the Staten Island bridges, where there are few or no such options.
