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]
Quick facts I-45, Route information ...

I-45 |
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I-45 highlighted in red |
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| Length | 284.913 mi[1] (458.523 km) |
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| Existed | 1971–present |
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| NHS | Entire route |
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| South end | SH 87 in Galveston |
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| 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
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| North end | I-30 / I-345 / US 75 in Dallas |
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| Country | United States |
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| State | Texas |
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| Counties | Galveston, Harris, Montgomery, Walker, Madison, Leon, Freestone, Navarro, Ellis, Dallas |
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- Interstate
- US
- State
- Toll
- Loops
- Spurs
- FM/RM
- Park
- Rec
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