Interstate 35 | ||||
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Route information | ||||
Maintained by TxDOT | ||||
Length: | 407.195 mi (655.317 km) | |||
Existed: | 1959 – present | |||
Southern section | ||||
South end: | US 83 in Laredo | |||
Major junctions: |
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North end: | I-35E / I-35W in Hillsboro | |||
Northern section | ||||
South end: | I-35E / I-35W in Denton | |||
North end: | I‑35 / US-77 at Oklahoma state line | |||
Highway system | ||||
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Interstate 35 (abbreviated I-35 or IH-35) in Texas is a major north–south Interstate Highway running from Laredo near the United States-Mexico border to the Red River north of Gainesville where it crosses into Oklahoma. Along its route, it passes through the cities of San Antonio, Austin, and Waco before it splits into two auxiliary routes just north of Hillsboro. Interstate 35E heads northeast where it passes through Dallas. Interstate 35W turns northwest to run through Fort Worth. The two branches meet up in Denton to again form Interstate 35, where it continues to the Oklahoma border. The exit numbers for Interstate 35E maintain the sequence of exit numbers from the southern segment of Interstate 35, and the northern segment of Interstate 35 follows on from the sequence of exit numbers from Interstate 35E. Interstate 35W maintains its own sequence of exit numbers.
In Texas, Interstate 35 runs for just over 407 miles (655 km), which does not include either the 85-mile (137-km) segment of Interstate 35W or the 97-mile (156-km) segment of Interstate 35E. Texas contains more miles of the overall length of Interstate 35 than any other state, almost one-third of the entire length.
The Interstate is currently undergoing an extensive renovation and expansion project, known as 'My35.' The project includes work on portions of the interstate from Dallas south to Laredo.