Construction Update & Cameras

CONSTRUCTION UPDATE
Timeframe: October 25 - November 7, 2026

Spotlight: Recent weather temporarily affected construction activities along the corridor. In Montecito, grinding is expected to continue on southbound Highway 101 over the next two weeks.  Work will take place at night and will be noisy.  Be Work Zone Alert to keep our crews safe. Slow down, stay alert and watch for crews and equipment, especially during nighttime work.


Closures (weather permitting)

Please drive safely through the corridor and remember to Slow for the Cone Zone. The speed limit is reduced to 55 mph for safety throughout the construction area.

  • Northbound Highway 101
    • 9 p.m. to 5 a.m. Sun., Oct 25 - Evans Ave. to Olive Mill Road: Overnight lane closures; traffic reduced to one lane.
    • Nightly 8 p.m. to 5 a.m. Mon., Oct. 26-Thurs., Oct. 29 - Evans Ave. to Olive Mill Road: Overnight lane closures; traffic reduced to one lane.
    • 9 p.m. to 5 a.m. Sun., Nov. 1 - Evans Ave. to Olive Mill Road: Overnight lane closures; traffic reduced to one lane.
    • Nightly 8 p.m. to 5 a.m. Mon., Nov. 2-Thurs., Nov. 5 - Evans Ave. to Olive Mill Road: Overnight lane closures; traffic reduced to one lane.
    • 9 p.m. to 5 a.m. Sun., Nov. 1 - Sheffield Dr. to Salinas St.: Overnight lane closures; traffic reduced to one lane.
    • Nightly 8 p.m. to 5 a.m. Mon., Nov. 2-Thurs., Nov. 5 - Sheffield Dr. to Salinas St.: Overnight lane closures; traffic reduced to one lane.
    • 9 p.m. to 5 a.m. Sun., Oct. 25 - San Ysidro Rd. On- and Off-ramps: On- and off-ramps closed overnight.
    • Nightly 8 p.m. to 5 a.m. Mon., Oct. 26-Thurs., Oct. 29 - San Ysidro Rd. On- and Off-ramps: On- and off-ramps closed overnight.
    • 9 p.m. to 5 a.m. Sun., Nov. 1 -San Ysidro Rd. On- and Off-ramps: On- and off-ramps closed overnight.
    • Nightly 8 p.m. to 5 a.m. Mon., Nov. 2-Thurs., Nov. 5 - San Ysidro Rd. On- and Off-ramps: On- and off-ramps closed overnight.
    • 9 p.m. to 5 a.m. Sun., Oct. 25 - Olive Mill Rd. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 5 a.m. Mon., Oct. 26-Thurs., Oct. 29 - Olive Mill Rd. Off-ramp: Off-ramp closed overnight.
    • 9 p.m. to 5 a.m. Sun., Nov. 1 - Olive Mill Rd. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 5 a.m. Mon., Nov. 2-Thurs., Nov. 5 - Olive Mill Rd. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 5 a.m. Sun., Oct. 25-Thurs., Oct. 29 - Sheffield Dr. On-ramp: On-ramp closed overnight.
    • Nightly 8 p.m. to 5 a.m. Sun., Nov. 1-Thurs., Nov. 5 - Sheffield Dr. On-ramp: On-ramp closed overnight.
    • Until Summer 2028 - Cabrillo Blvd. Off-ramp: Off-ramp closed. Drivers should use the Hermosillo Rd. Off-ramp.

  • Southbound Highway 101
    • 9 p.m. to 7 a.m. Sun., Oct 25 - Milpas St. to Sheffield Dr.: Overnight lane closures. Traffic will be reduced to one lane.
    • Nightly 8 p.m. to 7 a.m. Mon., Oct. 26-Thurs., Oct. 29 - Milpas St. to Sheffield Dr.: Overnight lane closures. Traffic will be reduced to one lane.
    • 9 p.m. to 7 a.m. Sun., Nov. 1 - Milpas St. to Sheffield Dr.: Overnight lane closures. Traffic will be reduced to one lane.
    • Nightly 8 p.m. to 7 a.m. Mon., Nov. 2-Thurs., Nov. 5 - Milpas St. to Sheffield Dr.: Overnight lane closures. Traffic will be reduced to one lane.
    • 9 p.m. to 7 a.m. Sun., Nov. 1 - Garden St. to Butterfly Ln.: Overnight lane closures. Traffic will be reduced to one lane.
    • Nightly 8 p.m. to 7 a.m. Mon., Nov. 2-Thurs., Nov. 5 - Garden St. to Butterfly Ln.: Overnight lane closures. Traffic will be reduced to one lane.
    • 10 p.m. to 7 a.m. Sun., Oct. 25 - San Ysidro Rd. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 7 a.m. Mon., Oct. 26-Thurs., Oct. 29 - San Ysidro Rd. Off-ramp: Off-ramp closed overnight.
    • 10 p.m. to 7 a.m. Sun., Nov. 1 - San Ysidro Rd. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 7 a.m. Mon., Nov. 2-Thurs., Nov. 5 - San Ysidro Rd. Off-ramp: Off-ramp closed overnight.
    • 10 p.m. to 7 a.m. Sun., Oct. 25 - Olive Mill Rd. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 7 a.m. Mon., Oct. 26-Thurs., Oct. 29 - Olive Mill Rd. Off-ramp: Off-ramp closed overnight.
    • 10 p.m. to 7 a.m. Sun., Nov. 1 - Olive Mill Rd. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 7 a.m. Mon., Nov. 2-Thurs., Nov. 5 - Olive Mill Rd. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 7 a.m. Sun., Oct. 25-Thurs., Oct. 29 - Sheffield Dr. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 7 a.m. Sun., Nov. 1-Thurs., Nov. 5 - Sheffield Dr. Off-ramp: Off-ramp closed overnight.
    • Nightly 8 p.m. to 7 a.m. Sun., Oct. 25-Thurs., Oct. 29 - Posilipo Ln. On-ramp closed overnight. Drivers should use the Sheffield Dr. On-ramp.
    • Nightly 8 p.m. to 7 a.m. Sun., Nov. 1-Thurs., Nov. 5 - Posilipo Ln. On-ramp: On-ramp closed overnight. Drivers should use the Sheffield Dr. On-ramp.
    • Until Summer 2028 - Cabrillo Blvd. Off-ramp: Off-ramp closed. Drivers should use the Spring/Olive Mill Rd. Off-ramp.

Please note: Closure times may be subject to adjustment if needed due to equipment breakdowns, material compliance or delivery delays, or safety concerns during the shift. Consecutive ramps in the same direction will not be closed at the same time (unless noted) to allow drivers to use a ramp before or after a closure.

To view timelines, detours, and maps, please visit the Projects page and select the project segment or Construction Update page. Click here to view live project cameras.


Highway 101: Santa Barbara North

The Santa Barbara North segment is located between Hermosillo Rd and Salinas St.

Crews continue to construct bridge columns at the Highway 101 Carillo Boulevard Interchange

  • Highway 101 and On-and Off-Ramps at Cabrillo Blvd. Interchange
    • Overnight lane closures are expected in early Nov., with concrete work occurring in the median area.
  • Cabrillo Blvd. under Hwy 101
    • At the Cabrillo Blvd. undercrossing, foundation and bridge work are ongoing.
    • Work on retaining walls continues.

Highway 101: Santa Barbara South

The Santa Barbara South segment is located between Olive Mill and Hermosillo Rds.


  • Highway 101 and Southbound Off-Ramp at Spring/Olive Mill Rd
    • No night work is expected for the remainder of this month.
    • Crews continue to complete work on the median concrete barrier.

Highway 101: Montecito

The Montecito segment is located between Sheffield Dr. and Olive Mill Rd.

Newly paved lanes are separated by concrete barriers, to be removed for overnight grinding

  • Highway 101
    • Weather permitting, overnight grinding will continue in this segment on southbound Hwy 101 over the next two weeks from 8 p.m. to 7 a.m.
    • This work will be noisy.
    • At least one lane will remain open, and no consecutive ramps closures will occur.
    • Please keep our crews safe by maintaining a look-out and a safe speed throughout the corridor.

Concrete Mix Site

The concrete mix site is located between S Padaro/Santa Claus Ln and N Padaro Ln.

  • No concrete mixing is expected for the next two weeks.
  • By mixing concrete on-site, the project saves an estimated 463,771 truck miles, reduces water use by 400,000 gallons (on-site mixing uses less water), and saves taxpayers between $10-$15 million.
  • Concrete Recycling Continues by the northbound Highway 101 Off-Ramp at N. Padaro Ln.

at San Ysidro Creek
4D - San Ysidro Creek Northbound Off Ramp camera feed
at San Ysidro Rd.
4D - San Ysidro Northbound Off Ramp camera feed
at Olive Mill Rd.
4D - Olive Mill Northbound Off Ramp camera feed
at Spring Rd./Olive Mill Rd.
4E South - Spring Rd Off Ramp Southbound camera feed
at Hermosillo Rd.
4E South - Hermosillo Off Ramp Northbound camera feed
Cabrillo NB 101 On Ramp
Cabrillo NB 101 On Ramp camera feed
at Cabrillo Blvd. Interchange
Cabrillo Blvd. Interchange camera feed