RCTC 71/91 Interchange Project

🏗️🌙 Nighttime lane, connector, and ramp closures on eastbound 91, westbound 91 and southbound 71 are scheduled Thursday and Friday night of this week. Please see full construction details below:

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

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

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

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

🚧 Westbound 91 to northbound 71 Connector Closure
⌚ Thurs, 8 p.m. to 4 a.m. | Fri, 11 p.m. to 6 a.m.

For the latest construction activity, please visit: rctc.org/7191updates
City of Chino - Government City of Chino Hills - Municipal Government City of Corona - City Government Caltrans District 8

🦺 Nighttime lane, connector, and ramp closures on eastbound 91 and southbound 71 are scheduled Thursday night, October 16, 2025. Please see full construction details below:

🚧 Southbound 71 Single Lane Closures
⌚ Thurs, 9 p.m. to 5 a.m.
📍 From Butterfield Ranch Road to the 91

🚧 Eastbound 91 Single Lane Closures
⌚ Thurs, 10 p.m. to 6 a.m.
📍 From the County Line to the I-15

🚧 Southbound 71 to Eastbound 91 Connector Closure
⌚ Thurs, 9 p.m. to 5 a.m.

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

🚧 Eastbound 91 to northbound 71 Connector Closure
⌚ Thurs, 10 p.m. to 6 a.m.

For the latest construction activity, please visit: rctc.org/7191updates
City of Chino - Government City of Chino Hills - Municipal Government City of Corona - City Government Caltrans District 8

🏗️ Nighttime closures on eastbound 91 and southbound 71 continue tonight. For full construction activity and detour routes, please visit: rctc.org/7191updates