CONSTRUCTION UPDATE & PHOTOS

CONSTRUCTION UPDATE
Timeframe: December 7 - 20, 2025      *2-week update

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Spotlight:  In Montecito, crews will continue building new creek bridges, work on southbound lanes, and refresh lane and ramp striping on the nights of Dec 8 and 9. At the Romero and San Ysidro Creek Bridges, crews will finish removing the old bridge decks and work on the new bridge decks. At the Oak Creek Bridge, crews will remove temporary shoring, install creek protection, work on slope paving, and remove the old bridge deck. Crews will pour concrete for the southbound freeway lanes, auxiliary lane, and shoulders. Crews will also work on the safety barriers along the freeway and 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 demo old concrete barriers, perform utility work, and continue drainage improvements. In Padaro, landscaping crews will continue planting northbound at S Padaro Ln. Highway 101 will have daytime lane closures listed below. Construction crews will work on drainage improvements in the freeway shoulders northbound between S Padaro and N Padaro Lns.

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. 

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• Northbound Highway 101

  • Mon & Tues, Dec 8 - 9, 8:00 pm - 5:00 am, 1 lane: Sheffield Dr to Cabrillo Blvd, on- and off-ramps at Sheffield Dr, San Ysidro Rd, Olive Mill Rd, Hermosillo Dr, and Cabrillo Blvd, crews will refresh lane and ramp striping, there will be alternating lane closures of the on- and off-ramps

  • Wed & Thurs, Dec 10 - 11, 8:00 pm - 5:00 am, 1 lane: Sheffield Dr to Cabrillo Blvd

  • Daytime closures:

    • Mon - Thurs, Dec 8 - 11, 9:00 am - 6:00 pm, 1 lane: S Padaro/Santa Claus Ln to N Padaro Ln

• Southbound Highway 101

  • Mon & Tues, Dec 8 - 9, 8:00 pm - 7:00 am, 1 lane: Cabrillo Blvd to Sheffield Dr, on- and off-ramps at San Ysidro Rd and Sheffield Dr, crews will refresh lane and ramp striping, there will be alternating lane closures of the on- and off-ramps

  • Wed & Thurs, Dec 10 - 11, 8:00 pm - 7:00 am, 1 lane: Cabrillo Blvd to Sheffield Dr

  • Daytime closures:

    • Mon - Tues, Dec 15 - 16, 9:00 am - 3:00 pm, off-ramp at Sheffield Dr

  • Wed & Thurs, Dec 17 - 18, 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 - see map)

  • 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

• S Jameson Ln between Eucalyptus Ln/San Ysidro Rd and Posilipo Ln

  • Wed, Dec 10, 7:00 am - 3:00 pm, flaggers will direct traffic on S Jameson Ln for bridge work 

• N Jameson Ln between Sheffield Dr and Olive Mill Rd

  • Periodic daytime flagging for fence repairs

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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. Click here to view live project cameras.

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Highway 101: Santa Barbara South

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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).
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• Southbound Hwy 101

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

    • Crews will continue building wall footings and grading (see photo above).

  • Southbound off-ramp at Spring/Olive Mill Rd

    • Crew will perform utility work and continue updating storm drain improvements. 

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

    • Crews will grade and remove temporary fencing.

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Highway 101: Montecito

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

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• 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 (see photo above). Crews will pour concrete for new safety barriers.

  • Southbound on-ramp at Olive Mill Rd

    • Near the ramp, crews will continue to pour concrete for the freeway lanes, auxiliary lane, and shoulders. Crews will also install erosion control and continue drainage improvements. On the ramp, crews will continue work on concrete safety barriers.

• Romero, San Ysidro, and Oak Creek Bridges

  • At the Romero and San Ysidro Creek Bridges, crews will finish removing the old bridge decks and work on the new bridge decks. At the Oak Creek Bridge, crews will remove temporary shoring, install creek protection, work on slope paving, and remove the old bridge deck. 

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Highway 101: Padaro

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

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• Landscaping

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

• Construction

  • Construction crews will work on drainage improvements in the freeway shoulders northbound between S Padaro and N Padaro Lns.

• N Padaro Interchange

  • Concrete Mix Site: Week of Dec 14, 8:00 pm - 6:00 am. 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.