Galveston Bay is the second-busiest port in the nation by overall tonnage. Other major ports utilizing the bay include the Port of Texas City and the Port of Galveston. With its diverse marine life, Galveston Bay also produces more seafood than any bay in the nation except the Chesapeake. The Gulf Coast gained its present configuration during the most recent glacial period approximately 18 ka (thousands of years ago). Low global sea levels allowed the Texas mainland to extend significantly further south than it is presently, and the Trinity River had carved a deep canyon through present-day Bolivar Roads on its way
Texas State Highway 124 the current SH 87 to High Island, and then over the current SH 124 to Stowell, replacing a split of SH 125 that was designated on December 16, 1929. The route terminated in Stowell at SH 125 which then was made up of the present SH 65 between Stowell and Anahuac and the current SH 124 to Beaumont. The state highway department assumed control of the ferry service between Port Bolivar and Galveston in 1930 and resumed operations in 1934 after making extensive renovations extending SH 124 to US 75 and SH 6 in Galveston. On March 17, 1936, the