The City of Rialto has experienced substantial growth with new developments near the I-210/Alder Avenue Interchange. The project will maintain the existing diamond interchange configuration, widen the eastbound (EB), westbound (WB) off-ramps and improvements to Alder Avenue. The improvements will enhance safety, remove existing bottlenecks, and accommodate future growth and development.
The project improvements include:
Eastbound off-ramp at Alder Avenue will be widened (outside) to add an additional left-turn lane, a portion of the intersection will be reconstructed and a retaining wall.
Westbound off-ramp at Alder Avenue will be widened (outside) to add an additional left-turn lane, a portion of the intersection will be reconstructed.
Northbound and Southbound Alder Avenue will be widened, a curb ramp, retaining wall, a pedestrian island will be constructed.
A right-turn only lane on Southbound Alder Avenue to Westbound on-ramp at Alder Avenue will be constructed.
An additional left-turn lane on Northbound Alder Avenue onto the westbound on-ramp at Alder Avenue will be constructed.
WHAT TO EXPECT
Cones or other traffic control devices will be used to separate work areas from traffic.
Construction noise due to equipment back-up alarms and crews’ voices.
Water trucks will be used to maintain dust control during construction.
Lane restrictions on Alder Avenue bridge.
Lane shifts on Alder Avenue and freeway ramps.
Freeway on-and off ramp closures.
Drive with caution throughout the project area and allow extra time to reach your destination.
Pre-Construction: Late July 2023 – August 2023
Construction: August 2023 - January 2024
WORKING HOURS AND TIME
Monday - Friday, 7 am - 4pm Freeway ramp closures are expected.