CONSTRUCTION UPDATE & PHOTOS

CONSTRUCTION UPDATE
Timeframe: November 16 - December 6, 2025      *3-week update

​

Spotlight:  In Montecito, crews will continue building new creek bridges and work on southbound lanes. At the Romero Creek Bridge, crews will remove temporary forms (shoring) and the old bridge deck. At the San Ysidro Creek Bridge, crews will remove the old bridge deck. At the Oak Creek Bridge, crews will continue work on side supports (abutments) and drainage improvements. Crews will set forms, install rebar, and pour concrete for the southbound freeway lanes, auxiliary lane, and shoulders. Crews will work on the safety barriers on the southbound on-ramp at Olive Mill Rd. In Santa Barbara South, crews will continue working on footings and installing forms for the new retaining wall along the southbound lanes. Crews will also continue installing block for a new sound wall and working on drainage improvements. In Padaro, landscaping crews will continue installing irrigation and planting northbound and by the southbound off-ramp at S Padaro Ln. A Highway 101 northbound lane, the northbound on-ramp, and the southbound off-ramp at S Padaro/Santa Claus Ln will have daytime closures (listed below).

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 areas. Please expect day and night work. In observance of the Thanksgiving holiday, crews will suspend work on Thursday, Nov 27, and Friday, Nov 28. 

​

• Northbound Highway 101

  • Sunday, Nov 16 & 23, 9:00 pm - 5:00 am, 1 lane: Sheffield Dr to Butterfly Ln

  • Mondays - Thursdays, Nov 17 - 25, 8:00 pm - 5:00 am, 1 lane: Sheffield Dr to Butterfly Ln

  • Daytime closures:

    • Monday - Thursday, Nov 17 - 20, 9:00 am - 3:00 pm, on-ramp at S Padaro/Santa Claus Ln

    • Tuesday - Wednesday, Nov 18 & 19, 9:00 am - 3:00 pm, on-ramp at San Ysidro Rd

    • Nov 24, 9:00 am - 6:00 pm, 1 lane: Santa Monica Rd to S Padaro/Santa Claus Ln

      • Nov 24, 6:00 am - 11:30 am & 1:30 - 4:30 pm, off-ramp at S Padaro/Santa Claus Ln (the off-ramp will open over lunch to improve access to Santa Claus Ln businesses)

• Southbound Highway 101

  • Sunday, Nov 16, 9:00 pm - 7:00 am, 1 lane: Cabrillo Blvd to Sheffield Dr, off-ramp at San Ysidro Rd (consecutive closure with the off-ramp at Spring/Olive Mill Rd - drivers can use the off-ramp at Sheffield Dr as the detour - see map)

  • Monday - Thursday, Nov 17 - 20, 8:00 pm - 7:00 am, 1 lane: Cabrillo Blvd to Sheffield Dr, off-ramp at San Ysidro Rd (consecutive closure with the off-ramp at Spring/Olive Mill Rd - drivers can use the off-ramp at Sheffield Dr as the detour - see map below)

  • Sunday, Nov 23, 9:00 pm - 7:00 am, 1 lane: Cabrillo Blvd to Sheffield Dr

  • Monday - Tuesday, Nov 24 - 25, 8:00 pm - 7:00 am, 1 lane: Cabrillo Blvd to Sheffield Dr

  • Daytime closures:

    • Monday - Thursday, Nov. 17 - 20, 6:00 am - 11:30 am & 1:30 - 4:30 pm, off-ramp at S Padaro/Santa Claus Ln (the off-ramp will open over lunch to improve access to Santa Claus Ln businesses)

  • On-ramp at Posilipo Ln, closed until spring 2026, drivers can use the southbound on-ramp at Sheffield Dr

  • On-ramp at Olive Mill Rd, closed until spring 2026, (consecutive ramp closure with the on-ramp at Posilipo Ln), drivers can use the detour on N Jameson and the on-ramp at Sheffield Dr 

  • Off-ramp at Spring/Olive Mill Rd, closed until spring 2026; drivers can use the off-ramp at San Ysidro Rd 

​

Please note: consecutive ramps in the same direction will not be closed at the same time (unless where noted) to allow drivers to use a ramp before or after a closure. To view timelines, detours, and maps, please visit www.SBROADS.com and select the project segment or Construction Update page. Click here to view live project cameras.

​

Highway 101: Santa Barbara South

​

The Santa Barbara South segment is located between Olive Mill and Hermosillo Rds with median work extending up to Cabrillo Blvd (for traffic lane shifts).
​

• Southbound Hwy 101

  • Sound wall between the Butterfly Ln Undercrossing and Olive Mill Rd

    • Crews will continue building forms, grading, and pouring concrete for the retaining wall that will support the new sound wall.

  • Southbound off-ramp at Spring/Olive Mill Rd

    • Crews will continue updating storm drain improvements. Crews will remove part of the old concrete barrier.

  • Sound wall between the southbound off-ramp at Spring/Olive Mill Rd and Olive Mill Rd

    • Crews will continue installing blocks for the wall (see photo above).

​

Highway 101: Montecito

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

​

• Highway 101

  • Southbound freeway lanes

    • Crews will continue to set forms, install rebar, and pour concrete for the southbound freeway lanes, auxiliary lane, and shoulders.

  • Southbound on-ramp at Olive Mill Rd

    • Crews will continue to pour concrete for the freeway lanes, auxiliary lane, and shoulders. Crews will work on safety barriers (please expect night noise).

• Romero, San Ysidro, and Oak Creek Bridges

  • At the Romero Creek Bridge, crews will remove temporary forms (shoring) and the old bridge deck. At the San Ysidro Creek Bridge, crews will remove the old bridge deck. At the Oak Creek Bridge, crews will continue work on side supports (abutments) and drainage improvements. 

​

Highway 101: Padaro

The Padaro segment is located between S Padaro/Santa Claus Ln and N Padaro Ln.

​

• Landscaping

  • Landscaping crews will continue installing irrigation and plants in the shoulder areas on Hwy 101 as well as by S Padaro Ln (see photo above). 

​

• N Padaro Interchange

  • Concrete Mix Site: By mixing concrete on-site, the project saves an estimated 463,771 truck miles, reduces water use by 400,000 gallons (concrete mixed on-site uses less water), and saves taxpayers between $10-$15 million.

  • Concrete recycling continues by the northbound Highway 101 off-ramp at N. Padaro Ln.