TRAFFIC ADVISORY
Lane & Ramp Closures on State Routes 99 & 165 for August 2-8, 2026
July 31, 2026 – Merced County – The California Department of Transportation (Caltrans) will have traffic controls in place for the following construction and maintenance activities on State Route 99, (SR-99) and SR-165 in Merced County next week. Work is scheduled to occur as follows:
State Route 99
- Overnight full on-ramp closure on southbound SR-99 at Mission Ave. over-crossing for striping operation on Sunday, August 2 through Friday August 7, 2026, from 8:00 p.m. to 5:00 a.m.
- Overnight full on and off ramps closure on northbound and southbound SR-99 and SR-59/MLK Jr. Way for striping operation on Sunday, August 2 through Friday August 7, 2026, from 8:00 p.m. to 5:00 a.m.
- Overnight full on and off ramp closure for southbound SR-99 at 16th Street under-crossing for striping operations on Sunday, August 2 through Friday August 7, 2026, from 8:00 p.m. to 5:00 a.m.
- Full on ramp closure on the East Atwater over-crossing on SR-99 northbound for tree work on Monday, August 3, to Thursday, August 6, 2026, from 6:30 a.m. to 2:00 p.m.
- One way traffic control on local cross-street at the East Atwater over-crossing for utility work on Sunday, August 2, to Friday, August 7, 2026, from 8:00 p.m. to 5:00 a.m.
- Overnight full on-ramp closure on southbound SR-99 at the Collier Road Under-Crossing for striping operation beginning Sunday, August 2, through Friday, August 7, 2026, from 8:00 p.m. to 5:00 a.m.
- Overnight full on and off-ramp closures on northbound SR-99 at the Shanks Road Over-Crossing for striping beginning Sunday, August 2, to Friday, August 7, 2026, from 8:00 p.m. to 5:00 a.m.
- Full on ramp closure on northbound SR-99 at Bradbury Rd. over-crossing for striping operation beginning Sunday, August 2, to Friday, August 7, 2026, from 8:00 p.m. to 5:00 a.m.
- Full off ramp closure on southbound SR-99 at Bradbury Rd. over-crossing for striping operation beginning Sunday, August 2, to Friday, August 7, 2026, from 8:00 p.m. to 5:00 a.m.
- Full off ramp closure on northbound SR-99 at South Turlock overcrossing/ Golden State Blvd. for striping operation beginning Sunday, August 2, to Friday, August 7, 2026, from 8:00 p.m. to 5:00 a.m.
State Route 165
- One way traffic control on northbound and southbound SR-99 at Willmott Rd. for utility work beginning Thursday, August 6 to Saturday, August 8, 2026, from 8:00 p.m. to 6:00 a.m.
- Overnight one-way traffic control on Geer Ave. for traffic signal work beginning Monday, August 3 through Wednesday, August 5, 2026, from 8:00 p.m. to 5:00 a.m.
Motorists should expect 5-to-10-minute delays and use alternate routes whenever possible. All work is scheduled to occur as listed but is subject to change due to traffic incidents, weather, availability of equipment/materials, and construction-related issues.
For the safety of workers and other motorists, please Be Work Zone Alert.
For the latest road information, visit quickmap.dot.ca.gov & dot.ca.gov.
Source: Caltrans