Interstate 10 (or I-10) is a long Interstate Highway which the west side ends at Santa Monica, California (near Los Angeles), and the other side ends at Jacksonville, Florida. In Texas, it is one of the routes which the speed limit is 80 mi (128.7 km) per hour. The route is 2,460.34 miles (3,959.53 km) long and travels through 8 states.[1] It is the fourth longest Interstate Highway in the United States after I-90, I-80, and I-40.