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Construction of the I-10 Express Lanes is approximately 92% complete. Crews continue to work throughout the ten-mile corridor on installing barriers, reconstruction of bridges, retaining walls, sound walls, utility relocation, and pavement rehabilitation. Traffic patterns may change as lane configurations are reconstructed.



Dates are subject to change. Detour routes will be posted. Additional information including schedules and locations will be shared and posted to the project Google Map at goSBCTA.com/i10corridor.

Upcoming 55-Hour Freeway Lane and Ramp Closures (dates and times will be provided):

• Three lanes of westbound (WB) I-10 from the WB I-10 Monte Vista Avenue on-ramp are scheduled to close for approximately 1/4 mile. During the first portion of the closure, the left lanes will be closed and mid-way through the closure the left lanes will open with the right lanes closing. Two lanes will remain open at all times. The WB I-10 Monte Vista Avenue on-ramp is also scheduled to close.

• Three lanes of eastbound (EB) I-10 approaching the EB I-10 Monte Vista Avenue off-ramp are scheduled to close for approximately 1/4 mile. During the first portion of the closure, the left lanes will be closed and mid-way through the closure the left lanes will open with the right lanes closing. Two lanes will remain open at all times.The EB I-10 Monte Vista Avenue off-ramp is also scheduled to close.

• EB I-10 approaching the EB I-10 4th Avenue off-ramp is scheduled to have reduced lanes for approximately 1/4 mile. Stay tuned for more information.

Construction will generally occur Monday through Friday during daytime (7:00 a.m. to 4:00 p.m.) and nighttime (9:00 p.m. to 5:00 a.m.) hours, except as noted. All construction is dynamic and the schedule is subject to change.

Work continues on the remaining bridges that are being replaced, widened, or improved to accommodate the widening of the freeway. Work on the bridges may be loud and you may feel vibration at times during both daytime and nighttime hours.

Anticipated completion in spring 2024:

• San Antonio Creek Channel: The I-10 over San Antonio Creek is being widened.

• Monte Vista Avenue: The widening of the I-10 over Monte Vista Avenue is complete. Crews continue to relocate utilities on Monte Vista Avenue under the I-10. The street may be reduced to one lane in each direction during daytime hours and may be closed nightly from 9:00 p.m. to 5:00 a.m., Monday through Saturday. Daytime and nighttime activities include utility work and installation of the ramp barrier.

• San Antonio Avenue: Work continue on the west side of the bridge.

• Euclid Avenue: Work continues on the bridge. Pedestrian access may be restricted at times. Pedestrians will be detoured to Sultana Avenue.

• 6th Street: Daytime and nighttime activities include utility work and installation of the bridge barrier.

• 4th Street: Crews continue to relocate underground utilities at 4th Street. 4th Street between El Dorado Avenue and Baker Avenue is reduced to one lane in each direction during daytime hours and may be closed during nighttime hours (businesses will remain accessible). 4th Street under the I-10 is closed through Saturday, March 30 at 5:00 a.m.

• Vineyard Avenue: Work continues on the west side of the bridge.

Reconstruction is complete on several bridges. At some locations crews continue to work on sidewalks, approach slabs, barriers, paving, and decorative work.

• I-10 Over San Antonio Wash
• I-10 over Monte Vista Avenue
• I-10 over Central Avenue
• I-10 over Benson Avenue
• I-10 over Mountain Avenue
• Sultana Avenue over I-10
• Campus Avenue over I-10

• I-10 over Grove Avenue
• I-10 over 4th Street
• I-10 over Holt Boulevard
• Milliken Avenue over I-10
• Cucamonga Wash Bridge over I-10
• I-10 over Day Creek Channel

Freeway lane closures are necessary for crews to perform maintenance and rebuild retaining walls, sound walls, and bridges. Detour routes will be posted.

• Scheduled intermittent nighttime connector ramp closures (11:00 p.m. to 5:00 a.m.) on EB I-10 to northbound (NB)/southbound (SB) I-15 and WB I-10 to NB/SB I-15.

• Intermittent nighttime lane closures (9:00 p.m. to 5:00 a.m.): EB and WB I-10 between Fairplex Drive and I-15. At least one lane in each direction on I-10 will remain open.

• Intermittent daytime lane closures: (9:00 a.m. to 2:00 p.m.): EB and WB I-10 between Fairplex Drive and I-15. Four lanes in each direction on I-10 will remain open.

Intermittent nighttime EB and WB I-10 on- and off-ramp and ramp lane closures will occur throughout the project corridor. Detour routes are posted.

• EB and WB I-10 4th Street on- and off-ramps are closed through Saturday, March 30 at 5:00 a.m.

• Scheduled intermittent nighttime EB and/or WB on- and off-ramp closures: Indian Hill Boulevard, Monte Vista Avenue, Central Avenue, Holt Boulevard, Archibald Avenue, Haven Avenue, Milliken Avenue, and Etiwanda Avenue.

Crews are relocating and installing utilities and completing concrete and asphalt work on streets and sidewalks adjacent to the I-10; at times this work may be loud and you may feel vibration. One side of the sidewalk will always remain open. Flaggers may be onsite to direct traffic. Please check the Google Map for the most updated information including closures, detours, and wall locations.

• 4th Street under the I-10 is closed through Saturday, March 30 at 5:00 a.m.

Daytime and/or nighttime lane closures (streets will remain open):

• Monte Vista Avenue, Palo Verde Street, Central Avenue, Mountain Avenue, Euclid Avenue, and Grove Avenue.

Nighttime street closures; businesses will remain accessible:

• Monte Vista Avenue: NB/SB street closed under I-10
• Palo Verde Street: WB street closed from Central Avenue to Monte Vista Avenue
• 4th Street: NB/SB street intermittently closed under I-10

Retaining wall and sound wall locations:

• No scheduled wall work at this time.

Join the City of Montclair to celebrate Easter EggStravaganza taking place on Saturday, March 30 from 9:00 a.m. to 11:00 a.m. in Alma Hofman Park located at 5201 Benito Street, Montclair, CA 91763. See more information below.

Sign up for text messages by texting i10expresslanes to (888) 525-1021 (Reply STOP to cancel, text HELP for help. Normal text and data message rates may apply.)

Si prefiere recibir información de construcción en español, llame al (877) 55 - SBCTA.

When the new SB Express Lanes on I-10 open in 2024, drivers will be able to enter and exit the lanes from multiple points. Toll pricing will be dynamic and will vary based on demand and distance. A FasTrak® account will be required for drivers to receive the lowest toll price on the new lanes. However, drivers without a FasTrak account will be able to utilize the Pay Online feature within five days of their trip. Have more questions on how the new lanes will work? Check out the SB Express Lanes tab on the project website to view the FAQs.