Overview
- The first shutdown runs 9 p.m. Friday to 5 a.m. Monday, closing southbound SR 51 between Cactus Road and Northern Avenue.
- Crews will remove worn asphalt, repair bridge decks and diamond-grind concrete to deliver a smoother, quieter ride.
- On-ramps at Bell, Greenway and Thunderbird roads are closed, with heavy traffic expected on nearby arterials.
- Drivers are directed to use southbound I-17 or Loop 101, with an official detour from Cactus and Thunderbird to Seventh Street and eastbound Northern Avenue.
- Separate work closes westbound Loop 202 at Lindsay Road for widening this weekend, with the Williams Field, Santan Village Parkway and Val Vista on-ramps also closed.