This image shows a tour ‘train’ driving along the roadway of the International Bridge connecting the Upper Peninsula of Michigan to Canada at the Soo Locks.
The description states:
SOO TOUR TRAIN ON THE INTERNATIONAL BRIDGE
An entertaining and educational trip through historic Sault Set. Marie, Michigan and crossing the International Bridge over the famous SOO LOCKS to Canada and back. The Trains are located in OLDTOWN across from the SOO LOCKS Information Center.
–Capitalization is in the original. The bridge runs alongside a railroad bridge which can be raised and lowered for ships to pass, and can be seen in the raised position at the left of the image.
This card was used and is dated 11 August 1977.