Customs and INS:

Information on Inspection, Infrastructure, Traffic Flow, and Security Matters at the Detroit Port of Entry

GAO-02-595R: Published: Apr 22, 2002. Publicly Released: Apr 22, 2002.

Additional Materials:


Richard M. Stana
(202) 512-8816


Office of Public Affairs
(202) 512-4800

Concerns have been raised about the effects of heightened security at two border crossings in Detroit--the Ambassador Bridge and the Detroit-Windsor Tunnel. In the wake of September 11, the U.S. Customs Service and the Immigration and Naturalization Service (INS) increased the number and thoroughness of inspections and questioned all bridge and tunnel travelers, leading to truck wait times that exceeded 10 hours. To decrease wait times, Customs and INS extended shifts, curtailed vacations, brought in more staff, and obtained help from the National Guard and local law enforcement. The U.S. and Canadian governments have agreed in principle to a plan to make the border more secure without impeding traffic flow and trade. In addition to increasing personnel and improving technology, officials are considering pre-approval of low-risk traffic and reverse inspections.

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