RCTC 71/91 Interchange Project

RCTC 71/91 Interchange Project Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from RCTC 71/91 Interchange Project, Travel and transport, Corona, CA.

01/14/2026

Reminder⌛🌙 Closures on the 91 and 71 freeways begin tonight and will continue tomorrow night. For more information and detour routes, please visit rctc.org/7191updates

01/13/2026

📲 Alternating lane closures, connector closures, and ramp closures on the 91 and southbound 71 are scheduled Tuesday and Wednesday nights. See full construction details below:

🚧 Southbound 71 Alternating Lane Closures
⌚Tues, 9 p.m. to 5 a.m. | Wed, 9 p.m. to 5 a.m.
📍 From the 91 to Butterfield Ranch Rd./Euclid Ave.

🚧 Eastbound 91 Alternating Lane Closures
⌚ Tues, 10 p.m. to 6 a.m. | Wed, 10 a.m. to 6 a.m.
📍 From the I-15 to the County Line

🚧 Westbound 91 Alternating Lane Closures
⌚ Tues, 8 p.m. to 4 a.m. | Wed, 8 p.m. to 4 a.m.
📍 From the County Line to the I-15

🚧 Southbound 71 to Westbound 91 Connector Closure
⌚Tues, 9 p.m. to 5 a.m. | Wed, 9 p.m. to 5 a.m.

🚧 Eastbound 91 Green River Rd. On-ramp Closure
⌚Tues, 10 p.m. to 6 a.m. | Wed, 10 p.m. to 6 a.m.

For detour maps, please visit: rctc.org/7191updates
Caltrans District 8 City of Corona - City Government City of Chino - Government City of Chino Hills - Municipal Government

12/11/2025

🏗️🌙 REMINDER: Lane closures, connector closures, and ramp closures on eastbound 91 and southbound 71 begin tonight and continue through Friday night. For more information and detour routes, please visit rctc.org/7191updates

12/09/2025

👷 Lane closures, connector closures, and ramp closures on eastbound 91 and southbound 71 are scheduled at the end of this week for crews to safely perform electrical work and minor roadway activities. See full construction details below:

🚧 Southbound 71 Single Lane Closure
⌚Thurs, 9 p.m. to 5 a.m. | Fri, 11:59 to 6 a.m.
📍 From the 91 to Butterfield Ranch Rd./Euclid Ave.

🚧 Eastbound 91 Alternating Lane Closures
⌚ Thurs, 10 p.m. to 6 a.m. | Fri, 11 to 7 a.m.
📍 From the I-15 to the County Line

🚧 Southbound 71 to Eastbound 91 Connector Closure
⌚Thurs, 9 p.m. to 5 a.m. | Fri, 11:59 to 6 a.m.

🚧 Eastbound 91 Green River Rd. on-ramp
⌚Thurs, 10 p.m. to 6 a.m. | Fri, 11:59 to 7 a.m.

🚧 Eastbound 91 Green River Rd. off-ramp
⌚Thurs, 10 p.m. to 6 a.m. | Fri, 11:59 to 7 a.m.

🚧 Eastbound 91 to Northbound 71 Connector Closure
⌚ Thurs, 10 p.m. to 6 a.m. | Fri, 11:59 to 7 a.m.

🚧 Westbound 91 to Northbound 71 Connector Closure
⌚ Thurs, 8 p.m. to 4 a.m. | Fri, 9 to 6 a.m.

For detour maps, please visit: rctc.org/7191updates
City of Corona - City Government City of Chino - Government City of Chino Hills - Municipal Government Caltrans District 8

Address

Corona, CA
92877–92883

Website

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