The existing 84-year-old Ambassador Bridge is the busiest commercial link between the two countries.

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This is practically an anthem in Detroit and Windsor, Ontario, two cities linked by the Ambassador Bridge.

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From that, the Ambassador Bridge provides 40% of the overall truck traffic and 21% of the passenger traffic.

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The campaign against the NITC is being waged, unsurprisingly, by the owner of the present Ambassador Bridge, Manuel Maroun.

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In fact, just upstream from where the Detroit River International Crossing is to be built, stands the Ambassador Bridge completed in 1929.

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Waits tended to be much shorter at checkpoints that do not allow large trucks, such the Windsor Tunnel near the Ambassador Bridge.

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Ambassador Bridge owner Manuel Moroun, who says he stands to lose toll revenues, has sued over the proposal, arguing his company has exclusive rights over border crossings in the area.

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If you limit the crossings to only those in the immediate Detroit area (Ambassador Bridge and the Detroit-Windsor Tunnel) then the Ambassador Bridge provides 97% of the truck traffic and 53% of the passenger traffic.

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