RCTC provides frequent construction project updates to the public. Sign up for updates for these projects in Corona to stay informed.

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Location: Southbound Interstate 15, Cajalco Road on-ramp to Weirick Road off-ramp

Construction: May 2022 to late summer/early fall 2022

Investment: $5 million

The I-15 Interim Corridor Operations Project will add a non-tolled lane along the roadway shoulder to improve traffic flow in this heavily traveled area.

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Location: 71/91 Interchange

Construction: Anticipated from late 2022 to 2025

Investment: Estimated $150 Million

The new non-tolled interchange is designed to relieve traffic, enhance travel reliability, improve safety, and reduce pollution and emissions.

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Location: Interstate 15 and Route 91, Corona

Construction: April 2021; anticipated opening in 2023

Investment: $270 million

Construction is under way on this new connector from the eastbound 91 Express Lanes to the 15 Express Lanes and from the southbound 15 Express Lanes to the westbound 91 Express Lanes.