San Marcos Mercury | Local News from San Marcos and Hays County, Texas

MAP: TxDOT has completed $6.5 million in intersection improvements along U.S. 290 West in southwestern Austin including those at [A] Texas 71, [B] William Cannon Drive and [C] Joe Tanner Lane.


AUSTIN — The Texas Department of Transportation has completed its reconstruction of three commuter-choked intersections along U.S. 290 West in southwestern Austin.

Two of intersections — U.S. 290 at Texas 71 and U.S. 290 at William Cannon Drive — have been redesigned as “continuous flow intersections” like those completed last year at two Interstate 35 intersections in San Marcos. Continuous flow intersections increase roadway capacity by allowing left-turning traffic and through-traffic to pass through an intersection simultaneously. Alterations to the U.S. 290-Joe Tanner Lane intersection include restricting left-turning traffic.

The project cost $6.5 million, TxDOT officials said.

“Travis County and the city of Austin partnered with us in the funding of these interim improvements that will bring some traffic relief to the area,” said Victor Vargas, TxDOT’s area engineer for southern Travis and Hays counties.

The Texas 71, William Cannon Drive and Joe Tanner Lane intersections comprised the second phase of a package of stop-gap congestion relief measures called the “U.S. 290 Oak Hill Interim Intersection Improvements” project.

The $4.6 million first phase — new left-turn lanes at three locations and a center-turn lane on U.S. 290 between RM 1826 and Convict Hill Road — was completed in September.


Visualization of traffic flow at the U.S 290-Texas 71 intersection.

Visualization of traffic flow at the U.S 290-William Cannon Drive intersection.

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One thought on “TxDOT completes ‘interim’ fixes for U.S. 290 in Oak Hill

  1. “continuous flow intersections”

    I’ve used these intersections in San Marcos several times and I must say they work brilliantly. YEA!

    I just wish TXDOT had the courage to install a European style traffic circle at the intersection of Kohler’s and 1626 in Kyle (near the new ACC campus & major construction of MANY new apartment buildings). The traffic circles work VERY well in Europe and one of them at this location in Kyle would work SO much better than a traffic light. Some Kyle residents (my wife is one of them) are afraid they would be confusing and cause accidents. I expect TXDOT could furnish study results that would disprove what they fear. So, TXDOT, where are those studies?

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