Interstate 45

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]

I-45 marker

I-45

I-45 highlighted in red
Route information
Length284.913 mi[1] (458.523 km)
Existed1971–present
NHSEntire route
Major junctions
South end SH 87 in Galveston
Major intersections
  • Sam Houston Tollway / Beltway 8 in Houston
  • I-610 (South Loop) / SH 35 / SH 225 in Houston
  • I-69 / US 59 / SH 288 in Houston
  • I-10 / US 90 in Houston
  • I-610 (North Loop) in Houston
  • SH 99 Toll in Houston, TX
  • Hardy Toll Road in Spring
  • US 190 in Huntsville
  • I-20 in Dallas
  • US 175 in Dallas
North end I-30 / I-345 / US 75 in Dallas
Location
CountryUnited States
StateTexas
CountiesGalveston, Harris, Montgomery, Walker, Madison, Leon, Freestone, Navarro, Ellis, Dallas
Highway system
  • Highways in Texas
  • Interstate
  • US
  • State
  • Toll
  • Loops
  • Spurs
  • FM/RM
  • Park
  • Rec
← SH 44SH 45 →

References
  1. Texas Department of Transportation. "Highway Designation File - Interstate Highway No. 45".
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