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Authority guide: border crossing

US–Canada border crossing guide (Detroit–Windsor)

A practical guide to crossing between Detroit and Windsor: documents, NEXUS, bridge vs tunnel, and how to reduce uncertainty when your trip is time-critical.

If you’re booking a ride, use this guide to plan your pickup time and avoid avoidable mistakes.

This page is informational and not legal advice. Rules can change; confirm requirements before travel.
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Documents

What you should have ready

Border inspections go faster when documents are complete and easy to present. Carry required documents for every traveller in the vehicle.

Passport

Assume a passport is required for cross-border travel. Ensure it is valid for your trip date.

Traveller details

Carry documents for all travellers. If travelling with minors, bring any additional documentation you may need.

Declared items

Be ready to answer questions about what you’re bringing and your trip purpose. Keep it simple and accurate.

Practical rule
If a traveller doesn’t have the required documents, the whole vehicle can be delayed. Confirm before pickup.
NEXUS

Trusted traveller lanes

NEXUS can reduce delays when eligible. It doesn’t guarantee zero waiting, but it often improves predictability.

When it helps

Frequent crossers and business travellers often benefit most. Eligibility and lane access depend on the crossing and current setup.

What to remember

All travellers must be eligible to use dedicated lanes. If one person isn’t eligible, assume you’ll use standard lanes.

Crossing choice

Ambassador Bridge vs Detroit–Windsor Tunnel

You don’t need to guess. The best choice depends on current conditions and your schedule. Drivers typically optimize for arrival predictability.

Ambassador Bridge

Common option for cross-border travel. May be preferred depending on time of day and traffic patterns.

Detroit–Windsor Tunnel

Also common. Sometimes better depending on conditions. Selection should align to your timing needs.

Key idea
The “fastest” crossing can change hour-to-hour. Plan a buffer if your trip is tied to a flight or appointment.
Timing buffers

How to plan time-critical trips

Border wait times vary. If your trip has a hard deadline, you should plan with buffers rather than best-case assumptions.

Flights

Treat airport departures as high-risk for timing. Add buffer for border + airport time. Call if your departure is early.

Appointments

For medical or business appointments, build a buffer and prefer earlier pickup times to reduce stress.

Events

If you need to arrive before doors open, buffer time and plan a clear pickup window for the return trip.

Inspection basics

What to expect at inspection

Inspection is routine. Stay calm, answer clearly, and follow instructions. Most delays come from incomplete documents or unclear trip details.

Be consistent

Know your destination, trip purpose, and how long you plan to stay. Keep answers short and accurate.

Follow instructions

If asked to present documents or open luggage, do so promptly. Drivers can guide the process, but you control your documents.

FAQ

Border crossing questions

Fast answers to common cross-border questions.

Do I need a passport?
Yes. Passport requirements apply. Confirm requirements before travel.
Does NEXUS guarantee a faster crossing?
No guarantee, but it often improves predictability when eligible and lanes are available.
Which crossing is best?
It depends. The best choice is the one that maximizes arrival predictability for your schedule.
How much time should I buffer?
For flights and fixed appointments, add extra time to reduce risk. Call if your trip is time-critical.