Traffic impacts

To provide the most accurate information about upcoming traffic impacts, the project team will provide as much notice as possible for lane closures and traffic switches. See below for a live map of traffic closures in San Antonio.

For a list of lane closures across Texas, visit TxDOT’s interactive map website DriveTexas™.

Loop 1604 North Expansion lane closures

Throughout construction of these improvements, drivers will experience temporary traffic shifts and overnight lane closures on the mainlanes and frontage roads, as well as temporary daytime and overnight ramp closures.

Daytime work is anticipated to take place Mondays through Saturdays, while nighttime work and any necessary lane closures are anticipated to take place between 9 p.m. and 5 a.m., Sunday evenings through Friday mornings.

Permanent and temporary digital message boards placed along the route will alert drivers in real-time to lane closures, traffic congestion and construction activity.

This page is updated weekly. To find the most up to date and current lane closures, follow us on the San Antonio TxDOT Facebook and X pages or visit the San Antonio District’s Go Ahead! Blog

All closures are subject to change due to weather or other unforeseen circumstances.

• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Alternating Loop 1604 eastbound mainlane closure from Bandera Road (SH 16) to I-10 for portable concrete traffic barrier installation. Nightly alternating mainlane closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Alternating Loop 1604 westbound mainlane closure from I-10 to Bandera Road (SH 16) for portable concrete barrier installation. Nightly alternating mainlane closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Alternating Loop 1604 eastbound frontage road lane closure from Bandera Road (SH 16) to I-10 for portable concrete traffic barrier installation. Nightly alternating frontage road closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Alternating Loop 1604 westbound frontage road lane closure from I-10 to Bandera Road (SH 16) for portable concrete traffic barrier installation. Nightly alternating frontage road closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. I-10 eastbound mainlane exit ramp closure to Loop 1604 westbound for westbound collector-distributor bridge construction on the bridge at Leon Creek. Nightly closure. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Ramp/cloverleaf closure from I-10 westbound to Loop 1604 westbound for westbound collector-distributor bridge construction on the bridge at Leon Creek. Nightly closure. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 eastbound frontage road lane full closure from John Peace Boulevard/La Cantera Parkway to I-10 for eastbound flyover ramp bridge construction. Nightly frontage road full closure. Only one full frontage lane closure to occur per direction. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound frontage road lane full closure from I-10 to John Peace Boulevard/La Cantera Parkway for westbound collector-distributor bridge construction. Nightly frontage road full closure. Only one full frontage lane closure to occur per direction. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound mainlane exit ramp to La Cantera Parkway closure for westbound flyover ramp  bridge construction. Nightly closure. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 eastbound mainlane exit ramp to I-10 eastbound closure for westbound flyover ramp  bridge construction. Nightly closure. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound frontage road entrance ramp from I-10 closure for westbound flyover ramp bridge construction. Nightly closure. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 and Hausman Road full intersection closure (both directions, including turnarounds) for demolition work/bridge construction. Only one intersection to be closed at a time. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 and Kyle Seale Parkway full intersection closure (both directions, including turnarounds) for demolition work/bridge construction. Only one intersection to be closed at a time. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 and Babcock Road full intersection closure (both directions, including turnarounds) for demolition work/bridge construction. Only one intersection to be closed at a time. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 and Chase Hill Boulevard full intersection closure (both directions, including turnarounds) for demolition work/bridge construction. Only one intersection to be closed at a time. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 and La Cantera Parkway full intersection closure (both directions, including turnarounds) for demolition work/bridge construction. Only one intersection to be closed at a time. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound mainlane full closure from the Kyle Seale Parkway exit ramp to the Hausman Road temporary entrance ramp for overhead sign bridge installation. Excluding weekends.
• Sunday, May 5 until Monday, May 13. Weeknights 9 p.m. until 5 a.m. Loop 1604 eastbound mainlane full closure from Hausman Road exit ramp to the Kyle Seale Parkway temporary entrance ramp for overhead sign bridge installation. Excluding weekends.

• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Alternating Loop 1604 eastbound frontage road lane closure from Bandera Road (SH 16) to I-10 for traffic barrier, sidewalk construction and beam placement/bridge construction. Daily alternating frontage road closures. One lane to remain open at all times. Excluding weekends.
• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Alternating Loop 1604 westbound frontage road lane closure from I-10 to Bandera Road (SH 16) for traffic barrier, sidewalk construction and beam placement/bridge construction. Daily alternating frontage road closures. One lane to remain open at all times. Excluding weekends.
• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Eastbound to westbound turnaround closure at Loop 1604 and Hausman Road for bridge widening. Only one turnaround to be closed at a time. Excluding weekends.
• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Westbound to eastbound turnaround closure at Loop 1604 and Hausman Road for bridge widening. Only one turnaround to be closed at a time. Excluding weekends.
• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Westbound to eastbound turnaround closure at Loop 1604 and Babcock Road for bridge widening. Only one turnaround to be closed at a time. Excluding weekends.
• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Eastbound to westbound turnaround closure at Loop 1604 and Babcock Road for bridge widening. Only one turnaround to be closed at a time. Excluding weekends.
• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Eastbound to westbound turnaround closure at Loop 1604 and Chase Hill Boulevard/Brennan Avenue for bridge widening. Only one turnaround to be closed at a time. Excluding weekends.
• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Westbound to eastbound turnaround closure at Loop 1604 and La Cantera Parkway/John Peace Boulevard for bridge widening. Only one turnaround to be closed at a time. Excluding weekends.
• Monday, May 6 until Monday, May 13. Weekdays 9 a.m. until 3 p.m. Westbound to eastbound turnaround closure at Loop 1604 and Kyle Seale Parkway for bridge widening. Only one turnaround to be closed at a time. Excluding weekends.

• none

• Sunday, May 5 until Monday, May 13. Daily/Nightly 24 hours a day. Eastbound to westbound turnaround closure at Loop 1604 and La Cantera Parkway/John Peace Boulevard for bridge construction/retaining walls. Only one turnaround to be closed at a time on each direction.
• Sunday, May 5 until Monday, May 13. Daily/Nightly 24 hours a day. Eastbound to westbound turnaround closure at Loop 1604 and Kyle Seale Parkway for bridge construction/retaining walls. Only one turnaround to be closed at a time on each direction.
• Sunday, May 5 until Monday, May 13. Daily/Nightly 24 hours a day. Westbound to eastbound turnaround closure at Loop 1604 and Chase Hill Boulevard/Brennan Avenue for bridge construction/retaining walls. Only one turnaround to be closed at a time on each direction.

• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating I-10 westbound frontage road closure from De Zavala Road to Camp Bullis Road for portable concrete traffic barrier installation. Nightly alternating frontage closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating I-10 eastbound frontage road closure from Camp Bullis Road to De Zavala Road for portable concrete traffic barrier installation. Nightly alternating frontage closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating I-10 westbound mainlane closure from De Zavala Road to Camp Bullis Road for portable concrete traffic barrier installation. Nightly alternating mainlane closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating I-10 eastbound mainlane closure from Camp Bullis Road to De Zavala Road for portable concrete traffic barrier installation. Nightly alternating mainlane closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Exit ramp full closure from Loop 1604 eastbound to I-10 eastbound for portable concrete traffic barrier installation. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Exit ramp full closure from I-10 westbound to Loop 1604 eastbound for portable concrete traffic barrier installation. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Ramp/cloverleaf full closure from I-10 eastbound to Loop 1604 eastbound for bridge construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Ramp/cloverleaf full closure from Loop 1604 eastbound to I-10 westbound for bridge construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. I-10 eastbound frontage road, at the Loop 1604 interchange full closure for drill shaft construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating I-10 westbound mainlane closure from the Loop 1604 interchange to the Camp Bullis Road exit ramp for striping. Nightly alternating mainlane closures. One lane to remain open at all times. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Loop 1604 eastbound frontage road right turn lane full closure onto I-10 eastbound frontage road for bridge construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound frontage road full closure at the I-10 intersection for bridge construction. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. I-10 eastbound frontage road full closure from the Loop 1604 interchange to UTSA Boulevard for bridge construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. I-10 eastbound mainlanes full closure from the La Cantera Parkway entrance ramp to the Loop 1604 interchange for bridge construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. I-10 westbound mainlanes full closure from the Loop 1604 interchange to the La Cantera Parkway entrance ramp for bridge construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Loop 1604 eastbound mainlanes full closure at the I-10 interchange for bridge construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound mainlanes full closure at the I-10 interchange for bridge construction. Nightly closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. I-10 westbound cloverleaf exit ramp to Loop 1604 westbound full closure for placement of steel girders. Nightly closures.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound cloverleaf exit ramp to I-10 eastbound full closure for placement of steel girders. Nightly closures.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound collector-distributor full closure for placement of steel girders. Nightly closures.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. I-10 westbound exit ramp to Loop 1604 westbound full closure for placement of steel girders. Nightly closures.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound exit ramp to I-10 westbound full closure for placement of steel girders. Nightly closures.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. I-10 eastbound exit ramp to La Cantera Parkway full closure for roadway illumination. Nightly closures. Excluding weekends.

• Monday, May 6 until Friday, May 10. Weekdays 9 a.m. until 3 p.m. Alternating I-10 westbound frontage road lane closure from De Zavala Road to Camp Bullis Road to set portable concrete barrier. Daily alternating frontage road closures. One lane to remain open at all times. Excluding weekends.
• Monday, May 6 until Friday, May 10. Weekdays 9 a.m. until 3 p.m. Alternating I-10 eastbound frontage road lane closure from Camp Bullis Road to De Zavala Road to set portable concrete barrier. Daily alternating frontage road closures. One lane to remain open at all times. Excluding weekends.
• Monday, May 6 until Friday, May 10. Weekdays 9 a.m. until 3 p.m. Loop 1604 eastbound frontage road full closure at the I-10 intersection for bridge construction. Excluding weekends.
• Monday, May 6 until Friday, May 10. Weekdays 9 a.m. until 3 p.m. Loop 1604 westbound frontage road full closure at the I-10 intersection for bridge construction. Excluding weekends.
• Monday, May 6 until Friday, May 10. Weekdays 9 a.m. until 3 p.m. Loop 1604 eastbound frontage road full closure from the I-10 eastbound frontage road to the I-10 westbound frontage road for bridge construction. Daily closures. Excluding weekends.
• Monday, May 6 until Friday, May 10. Weekdays 9 a.m. until 3 p.m. Loop 1604 westbound frontage road full closure from the I-10 eastbound frontage road to the I-10 westbound frontage road for bridge construction. Daily closures. Excluding weekends.
• Monday, May 6 until Friday, May 10. Weekdays 9 a.m. until 3 p.m. I-10 eastbound frontage road right turn lane full closure onto Loop 1604 westbound frontage road for temporary pavement construction. Daily closures.
• Monday, May 6 until Friday, May 10. Weekdays 9 a.m. until 3 p.m. Westbound to eastbound turnaround closure at I-10 and La Cantera Parkway for bridge construction. Only one turnaround to be closed at a time. Excluding weekends.

• Sunday, May 5 until Friday, May 10. Daily/Nightly 24 hours a day. I-10 westbound frontage road right lane closure from the Loop 1604 interchange to the I-10 westbound mainlane entrance ramp for bridge construction.
• Sunday, May 5 until Friday, May 10. Daily/Nightly 24 hours a day. Loop 1604 eastbound frontage road left lane closure between the I-10 eastbound frontage road and the I-10 westbound frontage road for bridge construction.
• Sunday, May 5 until Friday, May 10. Daily/Nightly 24 hours a day. Loop 1604 westbound frontage road left lane and westbound to eastbound turnaround just before the I-10 interchange for bridge construction. 

• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating Loop 1604 eastbound mainlane closure from Tradesman Drive to Stone Oak Parkway exit ramp for barrier setting and striping. Nightly alternating mainlane closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating Loop 1604 westbound mainlane closure from Stone Oak Parkway exit ramp to Tradesman Drive for barrier setting and striping. Nightly alternating mainlane closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating Loop 1604 eastbound frontage road closure from Tradesman Drive to Stone Oak Parkway exit ramp for barrier setting and striping. Nightly alternating mainlane closures. Excluding weekends.
• Sunday, May 5 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Alternating Loop 1604 westbound frontage road closure from Stone Oak Parkway exit ramp to Tradesman Drive for barrier setting and striping. Nightly alternating mainlane closures. Excluding weekends.

• none

• Friday, May 3 at 9 p.m. until Monday, May 6 at 5 a.m. Full weekend closure. Loop 1604 eastbound mainlane full closure from the Vance Jackson Road exit ramp to the Lockhill Selma Road entrance ramp for repavement underneath Vance Jackson Road and railroad. Lane closures to remain in place for the entire duration. Off-duty officers will direct traffic through intersections.
• Friday, May 3 at 9 p.m. until Monday, May 6 at 5 a.m. Full weekend closure. I-10 westbound mainlane exit ramp/flyover ramp closure to the Loop 1604 eastbound mainlanes for repavement underneath Vance Jackson Road and the railroad. Lane closures to remain in place for the entire duration. Off-duty officers will direct traffic through intersections.
• Friday, May 3 at 9 p.m. until Monday, May 6 at 5 a.m. Full weekend closure. I-10 eastbound cloverleaf exit (southwest cloverleaf) closure to the Loop 1604 eastbound mainlanes for repavement underneath Vance Jackson Road and railroad. Lane closures to remain in place for the entire duration. Off-duty officers will direct traffic through intersections.
• Friday, May 10 at 9 p.m. until Monday, May 13 at 5 a.m. Full weekend closure. Loop 1604 westbound mainlane full closure from Lockhill Selma Road to I-10 for repavement underneath Vance Jackson Road and railroad. Lane closures to remain in place for the entire duration. Off-duty officers will direct traffic through intersections.

• Sunday, May 5 until Sunday, May 12. Daily/Nightly 24 hours a day. Westbound to eastbound turnaround at Loop 1604 and Lockhill Selma Road will be fully closed for wall construction under bridge.
• Monday, May 6 until Sunday, May 12. Daily/Nightly 24 hours a day. Westbound to eastbound turnaround at Loop 1604 and NW Military Highway will be fully closed for wall construction under bridge. 

• Friday, May 3 until Friday, May 10. Weeknights 9 p.m. until 5 a.m. Loop 1604 westbound mainlane full closure from US 281 to Stone Oak Parkway for repavement. The left lane on the flyover ramp from US 281 to Loop 1604 westbound will also be closed. Nightly full closures. Excluding weekends.
• Sunday, May 5 until Saturday, May 11. Weeknights 9 p.m. until 5 a.m. Loop 1604 eastbound left lane closure from US 281 to Stone Oak Parkway placing a temporary barrier. Nightly full closures. 

• none