Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Washburn Tunnel is a two-lane underwater motor-vehicle tunnel connecting Galena Park and Pasadena, two suburbs of Houston, Texas. Completed in 1950, it travels north-south underneath the Houston Ship Channel. It was named after Harris County, Texas Auditor Harry L. Washburn. It is largest and first toll-free vehicular tunnel in the Southern United States.Merritt_Chapman and Scott Corporation of New York engineered the $7 million project. First, a trench 90x40 feet had to be dug. Second, these sections had to be locked into position 85 feet underwater. Finally, the last touches, such as tiling the inside, were completed.

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