Approach And Entrance To Detroit River Tunnel

Approach And Entrance To Detroit River Tunnel Michigan


Stock #: 35097
Type: Postcard
Era: Divided Back
City: Detroit
State: Michigan (MI)
County: Wayne
Postmark: 1911
PM City: Detroit
PM State: MI
Stamp: 1C
Size: 3.5" x 5.25" (9 x 14 cm)

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The Detroit River Tunnel, has the unique distinction of being the only tunnel of its type over built. It was constructed in sections, all work being done From the surface of the water without the use of compressed air. The tunnel is operated electrically. Construction was started October 1, 1906, and completed July 1, 1910. The length from portal to portal is 1 3/4 miles, and from summit of grade 2 1/2 miles. It was built by the Detroit River Tunnel Company for the M. C. R. R. at a cost of $8,500,000.
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