Transportation

St. Clair County makes moving goods and materials easy due to tremendous transportation assets and the northern border it shares with Canada. The proof can be viewed on the riverfront in Port Huron, our county seat, where the twin spans of the Blue Water International Bridge carry six lanes of traffic to and from Canada.  St. Clair County provides quick and easy access to larger markets in the U.S. and Canada as well as access to key suppliers in the automotive, alternative energy and defense industries. 

barge on river with bridge in background

Highway

Interstate 69, Interstate 94 and Canada’s Highway 402 – begin at the bridge, one of the most active gateways for commercial trucks on the U.S.-Canadian border.  Two major highways originate at the Blue Water Bridge and provide express service to Detroit, Flint, Chicago, Toronto and Upstate New York. 

Interstate 69
I-69 runs west to Flint, Michigan and south to Indianapolis, Indiana and Texas via I-70.

Interstate 94
I-94 is the primary east-west freeway route through Michigan, extending through Chicago into the western United States.

Water 

Port Huron, known as the Maritime Capital of the Great Lakes, has also been described as the "Midway on the Seaway" because of its location on the 370-mile St. Lawrence Seaway.  Almost a quarter of the traffic in the Great Lakes-St. Lawrence Seaway system travels to or from overseas ports. 

Thousand-foot lakers and 700-foot salties slip beneath the Blue Water Bridge, which rises more than 150 feet above the place where the broad St. Clair River emerges full-born from Lake Huron.  A 24' deep-water port (Seaway Terminal) can accommodate various-size vessels and shipments. 

Rail

St. Clair County is home to one of the nation’s top border crossings for rail traffic as measured by value and volume of goods. The 6,129-foot St. Clair Tunnel opened in 1995 to accommodate double-stack freight cars. It replaced a tunnel built in 1891.  The CN line that traverses Canada branches west of Toronto and heads south into Michigan via the rail tunnel.  The line then heads south to Chicago and beyond, eventually crossing into Mexico.

Air

Passenger airline service for domestic and international travel is available at major airports (Flint and Detroit) located within an hour’s drive, and the St. Clair County International Airport offers a mile-long main runway and 24-hour service for corporate aircraft, cargo and general aviation.


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