SR 99/120 connector project phase 1A. SAN joaquin county. Route: 99 PM 4.600 / 5.700 route: 120 PM: R4.300 / T6.800 widen the eastbound SR 120 to so

The Department of Transportation California (Caltrans), doing business as Caltrans, received a $325,120 Formula Grant award from the Federal Highway Administration under the Highway Planning and Construction program (CFDA 20.205) on February 12, 2024. The grant funds Phase 1A of the SR 99/120 Connector Project in San Joaquin County, California. The project involves widening the eastbound SR 120 to southbound SR 99 connector ramp, removing and replacing the Austin Road overcrossing, adding a new connecting road, and modifying existing ramps and intersections. The San Joaquin Council of Governments (SJCOG) received a $375,000 subaward from Caltrans to assist with project development and implementation.

Project description

SR 99/120 connector project phase 1A. SAN joaquin county. Route: 99 PM 4.600 / 5.700 route: 120 PM: R4.300 / T6.800 widen the eastbound SR 120 to southbound SR 99 connector ramp from one-lane to two lanes; remove the austin road overcrossing and replace with a new 4-lane structure spanning SR 99 and uprr; add a new connecting road from austin road to east woodward avenue and moffat boulevard and modify the existing uprr gated crossing at east woodward avenue to conform to the new connector road; modify the existing northbound austin road exit ramp to conform to the higher overcrossing profile grade; temporarily close the austin road northbound entrance and southbound exit ramps; resulting in a partial interchange (TC)