I-45 highlighted in red | ||||
Route information | ||||
Length | 284.913 mi[1] (458.523 km) | |||
Existed | 1971–present | |||
NHS | Entire route | |||
Major junctions | ||||
South end | ![]() | |||
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North end | ![]() ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Texas | |||
Counties | Galveston, Harris, Montgomery, Walker, Madison, Leon, Freestone, Navarro, Ellis, Dallas | |||
Highway system | ||||
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Interstate 45 is an Interstate Highway in the state of Texas in the United States. It goes from Galveston north to Dallas. The route is 284.913 miles (458.523 km) long.[1]
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