BuildHSR: High-Speed Rail Projects
Seventh Structure of 2023 Complete
The California High-Speed Rail Authority announced on August 8 the completion of its seventh high-speed rail structure in the Central Valley this year. The Merced Avenue overcrossing in Kern County is now open to traffic.
The Merced Avenue overcrossing and grade separation is located on State Route 43, south of Wasco in Kern County. This grade separation, designed and constructed by California Rail Builders, spans 509 feet, is 43 feet wide, and takes traffic over the highway, as well as BNSF and future high-speed rail lines.
Construction by the Numbers (As of May 2023)
Construction Progress
Structures Completed
Structures Underway
Miles of Guideway Completed
Construction Updates
Spring 2023 Edition
Despite an unprecedented rainy season crews have made significant progress on the nation’s first high-speed rail line—including the competition of one of the program’s signature structures.
Construction by the Numbers (As of June 2023)
Small Business Revenue
Construction Package 1
Construction Package 2-3
Construction Package 4
Featured Project
Cedar Viaduct
The southern gateway into Fresno—the Cedar Viaduct—is now complete. The signature double arches can be seen crossing State Route 99. More than 3.6 million pounds of steel rebar and more than 14,000 cubic yards of concrete were used to complete the structure. The Cedar Viaduct is more than 3,700 feet long.
Construction by the Numbers (As of June 2023)
Number of Small Businesses
Construction Package 1
Construction Package 2-3
Construction Package 4
Click Below for More Information
Closures and Detours
Multiple Closures Along McKinley Avenue and Golden State Boulevard in Fresno
MULTIPLE CLOSURES: Road closure along McKinley Avenue, between the State Route (SR) 99 and Golden State Boulevard; Road closure along McKinley Avenue, between Golden State Boulevard and West Avenue; Lane and shoulder closures along Golden State Boulevard between the...
Lane and Shoulder Closures Along Golden State Boulevard in Fresno
Lane and shoulder closures along Golden State Boulevard, between McKinley and Olive avenues in Fresno for utility work. Work is scheduled from 9 p.m. to 6 a.m. starting Monday, Sept. 18 through Friday, Oct. 6, 2023. Download Map of Closure/Detour (PDF) Signage will...
Lane Closures Along Golden State Boulevard in Fresno
Lane closures along Golden State Boulevard, between Pine and Olive avenues in Fresno for utility work. Work is scheduled to begin Monday, Sept. 18 and will continue through Monday, Oct. 23, 2023. Download Map of Closure/Detour (PDF) Signage will be in place to...
Lane Closures Along Tulare Street in Fresno
Lane closures at Tulare and F streets in Fresno for road work. Work is scheduled from 9 a.m. to 4 p.m. starting Monday, Sept. 18 through Wednesday, Oct. 4, 2023. Download Map of Closure/Detour (PDF) Signage and flaggers will be in place to direct traffic....
Road Closure Along Richert Avenue in Fresno
Road closure along Richert Avenue, between Swift Avenue and Golden State Boulevard in Fresno for utility work. Work is scheduled from 9 a.m. to 4 p.m. starting Monday, Sept. 18 through Thursday, Oct. 19, 2023. Download Map of Closure/Detour (PDF) Signage will be in...