Traffic & Construction Updates
Getting Around Downtown San Jose
Navigate construction and road closures while enjoying all the excitement downtown
Several major events are taking place in and around Downtown San Jose in August and September, with temporary street and lane closures that may affect traffic, parking, and access to businesses. Please plan ahead and allow extra time when traveling downtown.
EVENT STREET CLOSURES
Event Name: SoFA Street Fair
Date: 9/27/26 2:00 PM – 8:00 PM, 10/2/26 5:00 PM – 10:00 PM
Location: SoFA
Lane Closures: Road closures begin as early as 8:00 AM
- S. First Street – Closed between Reed Street and San Carlos Street
- William Street – Closed between Market Street and S. First Street
- San Salvador Street – Closed between Market Street and S. First Street
Event Name: Mexico Game Watch Party
Date: 9/26/2026, approximately 7:00AM and will reopen by 11:59PM.
Location: SoFA
Lane Closures: South First Street – closed between San Carlos Street and San Salvador Street
Event Name: WeAreDevelopers World Congress – North America
Date: 09/23-24/2026 | 7:30AM – 8PM & 09/25/2026 | 7:30AM – 5:30PM
Location: San Carlos St. between Market St. and Almaden Blvd. East Bound Only (& SJ Convention Center)
Lane Closures: Street Closures & Map, Daily Closure from 7:30 AM – 11:59 PM
- San Carlos St. – East Bound Only. Closed Almaden Blvd. and Market St.
Event Name: Slam Jose! 3×3 Hoops Festival
Date: 9/26-27/2026 9:00 AM – 5:00 PM (both days)
Location: Plaza Park and Market St.
Lane Closures: Plaza Park & Market St. between San Fernando St. and San Carlos St.
CONSTRUCTION CLOSURES
Expect delays in Downtown San Jose due to multiple construction and infrastructure projects. Dates and schedules are subject to change.
LS Power
Date: September 14 – 25, 2026 (Monday – Friday Only)
Time: 8:30 AM – 5:30 PM
Location: Market St. then W St. James St. between Santa Clara St. and SR 87
Lane Closures: Closure on Market St. between Santa Clara St. and W St. James St.
West Valley Construction, AT&T Conduits and VTA Work
Date: September16 – 30, 2026
Time: 9:00 AM – 3:30 PM (Weekdays Only)
Location: Intersection of E Santa Clara St. and Third St., E Santa Clara St. and Barack Obama Blvd.
Lane Closures: Alternating #1 and #2 lane on the north side of Santa Clara St. just west of N First St. and on E Santa Clara St. from N Second St. to just east of N Third St., Barack Obama Blvd. sidewalk adjacent to SAP Center, between Santa Clara St and Sharks Way, with partial sidewalk closures
Better Bikeway – San Fernando Corridor
Date: September 14 – October 2, 2026 (Weekdays Only)
Time: 9:00 AM – 3:00 PM
Location: E. San Fernando St.
Lane Closures: One eastbound lane on E. San Fernando St. between 3rd and 4th St., and between 9th and 10th St.
Devcon Equipment Placement
Date: September 24 – November 24, 2026
Time: 24hrs (Weekdays Only)
Location: Park Ave.
Lane Closures: Park Ave. westbound between Woz Way and S. Almaden Blvd.
PG&E Repair
Date: September 24, 2026
Time: 12:00 AM – 4:00 AM
Location: 31 N 2nd St.
Lane Closures: One southbound lane and sidewalk on N 2nd St. (2nd St. between St. John and Santa Clara St.)