As part of the I-35 Northeast Expansion (NEX) project, a full weekend closure of the westbound collector ramp of Loop 1604 at the I-35 interchange and full closure on northbound connector ramp of I-35 to westbound Loop 1604 for installing steel girders from 9 p.m. Friday, April 4, 2025 to 5 a.m. Monday, April 7, 2025.
Eastbound Loop 1604
All traffic on the Loop 1604 eastbound mainlanes will use the ramp to southbound I-35 mainlanes and use the Pat Booker Road exit. Traffic should stay on the frontage road and turn right to take the I-35 Access Road Bridge to the I-35 northbound frontage road. Traffic should stay on the northbound I-35 frontage road to the eastbound Loop 1604 frontage road and continue to the Pat Booker Road intersection. Traffic should proceed through the intersection and use the next entrance ramp to enter the eastbound Loop 1604 mainlanes.
Westbound Loop 1604/I-35 southbound
All traffic on the Loop 1604 westbound mainlanes will utilize the ramp to enter the northbound I-35 mainlanes. Traffic looking to return to the Loop 1604 westbound mainlanes or access the southbound I-35 mainlanes will utilize Exit 173 to Olympia Parkway and use the Olympia Parkway bridge to access the I-35 southbound frontage road. Traffic should use the next entrance ramp to enter the I-35 southbound mainlanes. Traffic can re-enter the Loop 1604 westbound mainlanes by continuing to the ramp to the Loop 1604 westbound mainlanes.
I-35 northbound to Loop 1604 westbound
All traffic on the I-35 northbound mainlanes will utilize Exit 173 to Olympia Parkway and use the Olympia Parkway bridge to access the I-35 southbound frontage road. Traffic should use the next entrance ramp to enter the I-35 southbound mainlanes. Traffic can enter the Loop 1604 westbound mainlanes by continuing to the collector ramp to the Loop 1604 westbound mainlanes.
I-35 southbound to westbound Loop 1604
All traffic on southbound I-35 mainlanes will use the ramp to westbound Loop 1604 mainlanes. Traffic will use the Lookout Road exit and use the turnaround to enter eastbound Loop 1604 frontage road. Traffic should follow the signs to the southbound I-35 frontage road and Pat Booker Road intersection. Traffic should continue through the intersection and turn right to use the I-35 Access Road Bridge to the northbound I-35 frontage road. Traffic should stay on the I-35 northbound frontage road to access the eastbound Loop 1604 frontage road and continue to the Pat Booker Road intersection. Proceed through the intersection and use the next entrance ramp to enter the eastbound Loop 1604 mainlanes.
