• EB I-10 to NB I-15 connector closed
• EB Milliken Avenue on-ramp closed

• EB I-10 Three Right Lanes Closed for 55-hours from Milliken Avenue to the I-15 Connector:
• Scheduled Friday, November 19 at 10:00 p.m. through Monday, November 22 at 5:00 a.m. EB Milliken Avenue on-ramp and the EB I-10 to southbound (SB) I-15 connector closed. Detour routes will be posted.

• EB I-10 over Monte Vista Avenue Lane Shift: As early as next week, the three right lanes of EB I-10 approaching Monte Vista Avenue will shift towards the right for approximately 1/4 of a mile. This traffic pattern will be different from your drive today, please leave early, pay attention to signage, and reduce your speed to 55-mph.

• San Antonio Creek Channel: The I-10 over San Antonio Wash is being widened. This work began in mid-August 2021 and will take approximately six months.

• Monte Vista Avenue: Crews continue to relocate underground utilities at Monte Vista Avenue and are building a new wider section of the EB side of the freeway. Work on Monte Vista Avenue began in spring 2020 and will last for approximately three years. Monte Vista Avenue under I-10 is reduced to one lane in each direction during daytime hours and will be closed nightly from 7:00 p.m. to 5:00 a.m., Monday through Friday. Detour routes are posted. Daytime activities include installing steel plates into the ground (shoring) and relocating utilities and drainage.

• Central Avenue: In November 2020, a portion of the EB I-10 shoulder over Central Avenue was removed. Bridge widening work will take approximately 18 months. Daytime activity includes installing barriers.

• Benson Avenue: A portion of the EB I-10 shoulder over Benson Avenue was removed in early December 2020. Bridge widening work will continue for approximately two years. Benson Avenue is reduced to one lane in each direction.

• Mountain Avenue: In November 2020, crews removed a portion of the EB I-10 shoulder over Mountain Avenue. Bridge widening work will take approximately 18 months. Daytime activities include building portions of the bridge deck and cap.

• San Antonio Avenue: Crews are continuing to relocate utilities on San Antonio Avenue and preparing the bridge for demolition, anticipated in late-2021.

• Euclid Avenue: Crews demolished the east side of the bridge and are working on rebuilding the NB lanes. Work on Euclid Avenue began in mid-May 2020 and will last for approximately 18 months. Daytime and nighttime activities include installing and relocating utilities.

• Sultana Avenue: The Sultana Avenue bridge over I-10 is now open.

• Campus Avenue: Campus Avenue over I-10 was demolished in mid-October 2021. The bridge will be rebuilt into a wider configuration to accommodate the additional lanes on the I-10. Construction will last approximately nine months. Nighttime activity includes installing steel plates into the ground (shoring).

• 6th Street: 6th Street over I-10 was demolished in early October-2021. The bridge will be rebuilt into a wider configuration to accommodate the additional lanes on the I-10. Construction will last approximately nine months. Daytime activities include earthwork, excavation and installing abutment tiebacks.

• Grove Avenue: A portion of the EB and westbound (WB) I-10 shoulder over Grove Avenue was removed in December 2020. In December, steel beams (girders) will be installed next to the EB shoulder. Daytime activities include constructing bridge walls and footings.

• 4th Street: Crews continue to relocate underground utilities at 4th Street and are building a new wider section of the EB side of the freeway. Work on 4th Street began in spring 2020 and will last for approximately two years. 4th Street between El Dorado Avenue and Vineyard Avenue is reduced to one lane during daytime hours. 4th Street under I-10 will be closed nightly from 7:00 p.m. to 5:00 a.m. Detour routes will be posted. Daytime activities include forming the bridge deck and diaphragms.

• Vineyard Avenue: The east side of Vineyard Avenue over I-10 was partially demolished in early March 2021. Construction will last approximately 18 months. Vineyard Avenue over I-10 may have reduced lanes during daytime and nighttime hours. Daytime activity includes building the bridge walls.

• Cucamonga Wash Bridge: The EB I-10 over the Cucamonga Wash Bridge is being widened. Construction will last approximately nine months. Daytime activities include building the abutments and footings.

• Day Canyon Channel: Work began in early August 2021 to widen the I-10 over Day Canyon Creek. Construction will continue for approximately nine months.

• TONIGHT! Friday, November 12 at 10:00 p.m. through Monday, November 15 at 5:00 a.m. three right lanes of EB I-10 from Milliken Avenue to the NB I-15 connector will be closed for 55-hours. The EB I-10 to NB I-15 connector will also be closed. Detour routes will be posted.

• Scheduled Friday, November 19 at 10:00 p.m. through Monday, November 22 at 5:00 a.m. three right lanes of EB I-10 from Milliken Avenue to the SB I-15 connector will be closed for 55-hours. The EB I-10 to SB I-15 connector will also be closed. Detour routes will be posted.

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

• Intermittent nighttime lane closures: 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: EB and WB I-10 between Indian Hill Boulevard and Euclid Avenue. Four lanes in each direction on I-10 will remain open. These closures will occur between 9:00 a.m. and 2:00 p.m.

• Monte Vista Avenue EB on-ramp closed in August 2020 and will be closed for approximately two years. Detour routes include Arrow Highway and Palo Verde Street to Central Avenue.

• As part of the 55-hour closures, there are scheduled on- and off-ramp closures. Detour routes will be posted.
• Friday, November 12 at 10:00 p.m. through Monday, November 15 at 5:00 a.m. the EB Milliken Avenue on-ramp will be closed.
• Friday, November 19 at 10:00 p.m. through Monday, November 22 at 5:00 a.m. the EB Milliken Avenue on-ramp will be closed.

• Scheduled intermittent nighttime EB (9:00 p.m. to 6:00 a.m.) and/or WB (9:00 p.m. to 5:00 a.m.) on- and off-ramp closures (detour routes will be posted): Monte Vista Avenue, Central Avenue, Mountain Avenue, Euclid Avenue, 4th Street, Vineyard Avenue, Archibald Avenue, Holt Boulevard, Haven Avenue, Milliken Avenue and Etiwanda Avenue.

• Daytime and/or nighttime lane closures (streets will remain open):
• Monte Vista Avenue, Palo Verde Street, Benson Avenue, Mountain Avenue, San Antonio Avenue, Euclid Avenue, Grove Avenue, 4th Street, Fresno Avenue, Princeton Avenue, and Vineyard Avenue

• Nighttime street closures (detour routes will be posted); businesses will remain accessible:
• Monte Vista Avenue: NB/SB street closed under I-10 from 7:00 p.m. to 5:00 a.m.
• Palo Verde Street: WB street closed from Central Avenue to Monte Vista Avenue
• Princeton Avenue: EB/WB intermittently closed approaching Grove Avenue
• 4th Street: EB/WB street closed under I-10 from 7:00 p.m. to 5:00 a.m.

• Retaining wall and sound wall locations:
• EB I-10: from Mountain Avenue on-ramp to San Antonio Avenue and intermittently from 6th Street to Milliken Avenue