Traffic Alert: San Marcos I35 Southbound McCarty, Centerpoint Lane Closures
While construction is tough on everyone, TxDOT is trying to do everything they can to minimize disruptions. TxDOT knows you’ve got to get where you need to go.
• I – 3 5 L A N E C L O S U R E A L E R T S • F R I D A Y 8/18 – F R I D A Y 8/25 •
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Maintenance on southbound lane.
• THIS WEEK’S PROJECT TRAFFIC ADVISORY •
Closures are weather permitting.
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- Southbound I-35 right lane closed between McCarty Ln & Centerpoint Rd exit #200 – From 8 a.m. until 12 p.m. Tuesday, August 22
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Read more on construction phasing and additional project details HERE.
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New braided ramps (where one ramp crosses over the other) are being constructed along the northbound I-35 mainlanes between Hester’s Crossing and RM 620 to eliminate merging conflicts. The northbound and southbound intersections of US 79 and the I-35 frontage roads are also being reconstructed to add a third left-turn for westbound US 79.
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• THIS WEEK’S PROJECT TRAFFIC ADVISORY •
Closures are weather permitting.
- Southbound I-35 reduced to one lane between Westinghouse Rd & US 79/Sam Bass Rd. Expect alternating ramp closures. — Nightly from 9 p.m. until 5 a.m. Sunday, August 20 through Thursday, August 24
Read more on construction phasing and additional project details HERE.
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Work includes adding a southbound intersection bypass lane to allow through-traffic to bypass the traffic signal, re-configuring the entrance/exit ramps, and realigning the southbound frontage road to add a new roundabout that improves traffic flow and safety.
Bicycle and pedestrian enhancements will also be made within the project limits.
• THIS WEEK’S PROJECT TRAFFIC ADVISORY •
Closures are weather permitting.
- Northbound I-35 ramps between Barbara Jordan Dr & 52nd St closed — 10 p.m. Thursday, August 24 to 4 a.m. Friday, August 25
Read more on construction phasing and additional project details HERE.
I – 3 5 A T O L T O R F S T R E E T
Improvements include the reconstruction of the Oltorf Street bridge, improving entrance/exit ramps and frontage roads, constructing new extended entrance/exit lanes for mainlanes and ramps, and adding U-turns in both directions at Oltorf Street.
Bicycle and pedestrian enhancements will also be made along the I-35 frontage roads in each direction within the project limits.
• THIS WEEK’S PROJECT TRAFFIC ADVISORY •
Closures are weather permitting.
- Northbound I-35 to fully close at Oltorf Street. Traffic will detour to the frontage road. — 11 p.m. until 5 a.m. Sunday, August 20
- Eastbound and westbound Oltorf Street will close over I-35 — 9 p.m. until 5 a.m. Sunday, August 20
- Northbound I-35 frontage road left lane closed between Nelms Dr & Teri Rd — 8 p.m. Sunday, August 20 to 5 a.m. Monday, August 21
- Northbound I-35 frontage road right lane closed between Woodward St & Oltorf St — Daily from 9 a.m. until 3 p.m. Monday, August 21 through Friday, August 25
- Southbound I-35 reduced to one lane between Algarita Ave & St Edwards Dr. The ramps either side of Oltorf St will also close. — 10 p.m. Monday, August 21 to 6 a.m. Tuesday, August 22
- Northbound I-35 reduced to one lane at Oltorf St. The ramps at Oltorf St will also close. — 10 p.m. Tuesday, August 22 to 6 a.m. Wednesday, August 23
Read more on construction phasing and additional project details HERE.
I – 3 5 F R O M S T A S S N E Y L A N E T O W I L L I A M C A N N O N D R I V E
The project will reconstruct the bridge structures at Stassney Lane and William Cannon Drive, as well as the frontage road bridge over Williamson Creek.
New U-turn bridges will be added in both directions at Stassney Lane and William Cannon Drive, and the I-35 mainlanes will be widened to incorporate shoulders and extended entrance/exit lanes to allow for better merging.
Bicycle and pedestrian enhancements are also being made, and new safety lighting is being installed.
• THIS WEEK’S PROJECT TRAFFIC ADVISORY •
Closures are weather permitting.
- Southbound I-35 frontage road left lane closed between Battle Bend Blvd & Stassney Ln. The entrance ramp past Williamson Creek will also close. — 8 p.m. Sunday, August 20 to 5 a.m. Monday, August 21
- Northbound I-35 reduced to one lane between Slaughter Ln & William Cannon Dr. — From 9 p.m. until 5 a.m. Sunday, August 20 & Monday, August 21
- Northbound I-35 frontage road left lane closed at Slaughter Ln. The entrance ramp from Slaughter Ln & William Cannon Dr will also close. — 8 p.m. Monday, August 21 to 5 a.m. Tuesday, August 22
- Southbound I-35 reduced to one lane between Stassney Ln & William Cannon Dr. The William Cannon exit ramp will also close. — Nightly from 10 p.m. until 6 a.m. Monday, August 21 through Thursday, August 24
- Southbound I-35 frontage road right turn lane to Stassney Ln closed — Daily from 9 a.m. until 3 p.m. Tuesday, August 22 through Friday, August 25
- Northbound I-35 frontage road right lane closed at Slaughter Ln — Daily from 9 a.m. until 3 p.m. Monday, August 21 through Friday, August 25
Read more on construction phasing and additional project details HERE.
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TRAFFIC ALERT: I-35 Mainlanes and FM 3406 to close for U-turn bridge construction.
• THIS WEEK’S PROJECT TRAFFIC ADVISORY •
Closures are weather permitting and updated on Fridays.
Northbound I-35 reduced to one lane under FM 3406 — Nightly from 9 p.m. until 5 a.m. Sunday, August 20 & Monday, August 21
Read more on construction phasing and additional project details HERE.
M I S C. M A I N T E N A N C E O P E R A T I O N S
Closures are weather permitting and updated on Fridays.
- Southbound to Northbound turnaround at Rundberg Ln closed – From 11 a.m. until 4 p.m. Tuesday, August 22
- Southbound I-35 lower level closed to 11th St – From 9 p.m. until 12 a.m. Sunday, August 20
- Southbound I-35 upper level closed to Martin Luther King Blvd – From 12 a.m. until 5 a.m. Monday, August 21
- Southbound I-35 reduced to one lane between 15th St & 6th St – From 9 p.m. until 5 a.m. Tuesday, August 22
- Northbound I-35 frontage road right lane closed at The Lakes Blvd – From 9 a.m. until 3 p.m. Monday, August 21 through Friday, August 25
My I35 Traffic Alerts are provided by Central Texas Regional Mobile Authority (CTRMA) & TxDOT.
