San Marcos opens up region’s first continuous flow intersection

SAN MARCOS, Texas (KXAN) — The Texas Department of Transportation plans to open a new kind of turn lane in San Marcos. This will be the first continuous flow intersection in the area.

Interestingly, some lawmakers in Ohio want to ban a form continuous flow lanes because they caused more backup.

The intersections are designed with the intent of allowing more traffic to pass through an intersection during one light cycle. This happens by putting traffic that’s turning left to the outside edges of the road, which then allows drivers continuing through the middle of the intersection to move at the same time.

TxDOT has been working on the intersection since 2013 and though the final product is expected to help ease delay, the process getting there has been a headache for some Texas State University students, as Aquarena Springs Drive is a main way to campus.

“The construction has been going on for as long as I’ve been here,” said Haley Owens. “My commute to school is, like, twice as long as it normally is cause of all this construction getting in the way.”

Even as the intersection is slated to open Thursday, crews will still be working on landscaping in the area.

But the construction headache for San Marcos drivers isn’t over just yet. Within the next few weeks construction on another continuous flow intersection will get underway at Interstate 35 and Hopkins Street.

This new kind of intersection isn’t limited to San Marcos. TxDOT also wants to use it on a heavily congested intersection southwest of Austin where Highways 290 and 71 split. The department says they should be done with that part of the project by Spring 2015. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Users who violate these terms, including use of vulgar language or racial slurs, will be banned. If you see an inappropriate comment, please flag it for our moderators to review.

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