BuildHSR: High-Speed Rail Projects
2025 SPRING CONSTRUCTION UPDATE
Spring 2025 Construction Update highlights the latest on progress on the nation’s first 220 mph high-speed rail project currently taking shape in the Central Valley. It features work on the railhead project, a new facility in Kern County where equipment and materials necessary to lay track will be housed and deployed using BNSF freight rail lines. Additional highlights include work on the project’s largest construction site, the Hanford Viaduct, where the remaining 112 girders were placed over the San Joaquin Valley Railroad. Check your viewing settings to watch in 4K!
Construction by the Numbers (As of March 2025)
Construction Progress
Structures Completed
Structures Underway
Miles of Guideway Completed
CONSTRUCTION UPDATE: Tied Arch Bridge
State Route 43 Tied Arch Bridge
The construction team recently completed the installation of all 44 hanger guide pipes, which are designed to house the tension rods that help support the structure. Falsework has also been erected to help ironworkers tie rebar for the future arches that will span over State Route 43. When complete, the Tied Arch Bridge will span 249 feet long and will take high-speed trains over State Route 43! #BuildCA #BuildHSR #InfrastructureWeek
Construction by the Numbers (As of March 2025)
Small Business Revenue
Construction Package 1
Construction Package 2-3
Construction Package 4
Construction Update
Spring 2024
Read all about the progress being made on the 119-miles of construction in the Central Valley. This includes updates to some of the largest projects including the Conejo and Hanford Viaducts.
Construction by the Numbers (As of March 2025)
Number of Small Businesses
Construction Package 1
Construction Package 2-3
Construction Package 4
Closures and Detours
Intermittent Traffic Impacts Along State Route 43 in Tulare County
Intermittent traffic impacts along SR 43, between Avenue 96 and Avenue 84 in Tulare County for work on a high-speed rail structure. Work is scheduled from 6 a.m. to 4 p.m. starting Monday, June 30 through Friday, July 11, 2025. Download Map of Closure/Detour...
Lane Closure Along Wesley Avenue In Fresno
Lane closure along Wesley Avenue, south of Belmont Avenue in Fresno for utility work. Work is scheduled from 9 a.m. to 4 p.m. starting Monday, June 23 through Friday, July 11, 2025. Download Map of Closure/Detour (PDF)Signage will be in place to direct traffic. ...
Nighttime Closures Along and Near McKinley Avenue and State Route 99 in Fresno
Multiple Closures: Closure of the northbound SR 99 to McKinley Avenue off-ramp; Road closure along eastbound McKinley Avenue between Hughes Avenue and the McKinley Avenue roundabout; Intermittent road closures along the McKinley Avenue connector road between Golden...
Intermittent Lane Closures Along Cedar and American Avenues in Fresno
Multiple Closures: Intermittent lane closures along Cedar Avenue at American Avenue; Intermittent lane closures along American Avenue at Cedar Avenue. Work is scheduled from 9 a.m. to 4 p.m. starting Wednesday, June 25, through Tuesday, July 22, 2025. Download Map...
Multiple Closures Along Blythe Avenue and Golden State Boulevard in Fresno
Multiple Closures: Lane and sidewalk closures along Blythe Avenue, between Shaw and Bendel avenues; Intermittent lane and shoulder closures along Golden State Boulevard, between Santa Ana and Richert avenues. Work is scheduled from 9 a.m. to 4 p.m. and will continue...