Congress Avenue begins at an intersection with Slaughter Lane near
Interstate 35. It heads to the north-northeast, diverging away from I-35. This portion of Congress from Slaughter Lane north to the Williamson Creek bridge is maintained by the
Texas Department of Transportation and carries the
Loop 275 designation. After the intersection with Stassney Lane, the road heads to the northeast, now parallel to I-35. Congress Avenue passes over the
US 290/
SH 71 freeway (locally called Ben White Boulevard) as it travels to the northeast. Continuing to the northeast, it passes by
St. Edward's University and goes through the namesake
South Congress district before crossing over
Lady Bird Lake (
Colorado River) by way of the
Ann W. Richards Congress Avenue Bridge. The street continues northeast through downtown Austin to 11th Street at the
Texas State Capitol. At the Capitol, it splits into a one-way pair, with the northbound lanes going around the east side of the Capitol, and the southbound lanes going around the west side. (This portion of Congress between 11th and 15th Streets has been permanently closed to auto traffic since 2001.) The street merges back to a 2-way street northeast of the Capitol and continues heading to the northeast. It continues for several more blocks before coming to an end at the
University of Texas at Austin campus at Martin Luther King Jr Boulevard. == Junction list ==