SR-138 (SR-14) avenue M interchange and avenue M from 20TH street west to 10TH street west project will widen avenue M from 10TH street to 20TH stree

The Federal Highway Administration awarded the California Department of Transportation $5.3 million on July 31, 2026, under the Highway Planning and Construction program (CFDA 20.205) to widen Avenue M from 10th Street to 20th Street West in California, add a center turn lane, install bike lanes and sidewalks, and make geometric and intersection control changes to State Route 138 (SR-14) ramps, including bike and pedestrian improvements across the corridor.

Work will be performed in California with an ultimate completion date of November 16, 2028. The assistance type is a project grant. Caltrans, operating as the California Department of Transportation, is the recipient and administers the project as California's state transportation authority responsible for highway system planning, design, construction, and maintenance under the federal-aid highway program framework.

Project description

SR-138 (SR-14) avenue M interchange and avenue M from 20TH street west to 10TH street west project will widen avenue M from 10TH street to 20TH street west to provide a center turn-lane, bike lanes and sidewalks. The project includes geometric changes to the SR-138 (SR-14) ramps, intersection controls, and bike and pedestrian improvements from west of 20TH street west to 10TH street west. Demo ID# CAA32.