Austin, Texas
Highways

Central Austin lies between two major north–south freeways: I-35 to the east and the Mopac Expressway (Loop 1) to the west. US 183 runs from northwest to southeast, and SH 71 crosses the southern part of the city from east to west, completing a rough "box" around central and north-central Austin. Austin is the largest city in the United States to be served by only one Interstate Highway.

US 290 enters Austin from the east and merges into I-35. Its highway designation continues south on I-35 and then becomes part of SH 71, continuing to the west. Highway 290 splits from Highway 71 in southwest Austin, in an interchange known as "The Y." SH 71 continues to Brady, Texas, and Highway 290 continues west to intersect I-10 near Junction. Interstate 35 continues south through San Antonio to Laredo on the Texas-Mexico border. Interstate 35 is the highway link to the Dallas-Fort Worth metroplex in Northern Texas. There are two links to Houston (US 290 and SH 71/I-10). US 183 leads northwest of Austin toward Lampasas.

In the mid-1980s, construction was completed on Loop 360, a scenic highway that curves through the hill country from near the 71/Mopac interchange in the south to near the US 183/Mopac interchange in the north. The iconic Pennybacker Bridge, also known as the "360 Bridge," crosses Lake Austin to connect the northern and southern portions of Loop 360.
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