FAQ

When entering the United States from Canada, U.S. Customs and Border Protection (CBP) has specific rules about what you can bring.  Please contact CBP in one of the following ways for more information:

• Visit the CBP website: https://www.cbp.gov – This site has detailed information on what you can and cannot bring into the U.S. by car, categorized by item type and mode of entry. 
• Call CBP Info Center toll-free at 1-877-227-5511; Hours: Monday-Friday 8:30am – 5:00pm EST (Except U.S. holidays)
• Submit a Question Online: Use the CBP’s online help system (“Ask a Question” feature) at https://www.help.cbp.gov

When entering Canada from the United States, Canada Border Services Agency (CBSA) has specific rules about what you can bring.  Please contact CBSA in one of the following ways for more information:

• Visit the CBSA website: https://www.cbsa-asfc.gc.ca
• Call CBSA toll-free at 1-800-461-9999; Hours: Monday-Friday 8:00am – 4:00pm EST (Except federal statutory holidays)

If you are a U.S. citizen returning to the United States: Yes, you can generally re-enter the U.S. with an expired passport, though you may face delays and additional screening to verify your citizenship.  For more information please visit: https://www.cbp.gov

If you are a Canadian citizen returning to Canada: Yes, you can typically re-enter Canada with proof of citizenship (such as an expired passport, birth certificate, or citizenship card), but be prepared for extra screening at the border.  For more information please visit: https://www.cbsa-asfc.gc.ca

If you are entering the other country (for example, a Canadian citizen entering the U.S. or a U.S. citizen entering Canada): No, you generally need a valid passport or approved travel document.  An expired passport will result in being denied entry.

Important: Always check the latest official border crossing requirements before you travel, as rules can change. 

U.S. and Canadian citizens can present any of the following valid documents:

• Passport
• Enhanced Driver’s License
• Trusted Traveler Program card (such as a NEXUS, SENTRI or FAST card)

U.S. citizens can also present the following valid documents:

• Form I-872 American Indian Card, or (when available) Enhanced Tribal Card
• Passport Card
• U.S. Military identification card when traveling on official orders
• U.S. Merchant Mariner document when traveling in conjunction with official maritime business

Important: Always check the latest official government guidelines before traveling, as border entry requirements can change.

You can update your credit card information by logging into your Nexpress® account: https://nexpress.dwtunnel.com/

Or if you prefer to update your credit card information by phone you can contact Customer Service at the following:

• If calling from Canada, please dial 1-519-258-7424 x 219.
• If calling from the United States, please dial 1-313-567-4422 x 219.

If your toll pass is lost or stolen, please login to your account as soon as possible and delete the pass. If it was a Nexpress® Toll Card, please delete the card and request a replacement Window tag. If the lost pass was a Window tag, click the replace button.

A new pass will be mailed to you within seven business days.

Please login in to your account and request a new Window tag.

OR Call by phone;

• If calling from the United States, please dial 1-313-567-4422 x 219.
• If calling from Canada, please dial 1-519-258-7424 x 219.

A new pass will be mailed to you within seven business days.

Motorcycles and bicycles are prohibited from traveling through the Tunnel.

Debit and credit cards are accepted, along with Nexpress® cards for a discounted rate.  Cash is not accepted.

The only toll program accepted at the Detroit Windsor Tunnel is the Nexpress® program.

The height clearance is 12 ft 8 inches (3.8 meters) with a 30 degree curve in the pillar section of the Tunnel. These dimensions allow the Detroit Windsor Tunnel to accommodate the following:

• “A” and “B” trains
• 45 ft, 48 ft, and 5 and 6 axle flatbeds with lift axles
• 45 ft and 48 ft trailers with 2 and 4 axle sliders

The maximum vehicle width is 8.5 ft.

The Tunnel is open 24 hours, 7 days a week, including holidays.  There may be short periods of time where the Tunnel is closed due to scheduled emergency scenario training and the Detroit Free Press Marathon.  Ample notice will be provided, and signage will be posted on the Tunnel property alerting travel of upcoming closures.