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S. Padaro Undercrossing 6-21-22
S. Padaro Undercrossing 6-21-22

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Sheffield Undercrossing 6-21-22
Sheffield Undercrossing 6-21-22

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Timeframe: June 26 - July 9, 2022 *2-week update



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. Two freeway lanes remain open in each direction during daytime hours.

  • Northbound Highway 101

    • Sunday nights, 9:00 pm - 7:00 am, 1 lane: Bailard Ave to Sheffield Dr, on- and off-ramps at Bailard Ave, Casitas Pass Rd, Linden Ave, Santa Monica Rd, N Padaro Ln

    • Monday - Thursday nights, 8:00 pm – 7:00 am, 1 lane: Bailard Ave to Sheffield Dr, on- and off-ramps at Bailard Ave, Casitas Pass Rd, Linden Ave, Santa Monica Rd, N Padaro Ln

    • Northbound on-ramp at Ortega Hill Rd, closed for up to 8 months, anticipated reopening Feb 14, drivers can use the on-ramp at Sheffield Dr. 

    • Off-ramp at Sheffield Dr, closed for up to 6 months, anticipated reopening Oct 3, drivers can use the off-ramp at San Ysidro Rd. Flaggers are assisting during the morning peak periods at the San Ysidro intersections with Highway 101.

  • Southbound Highway 101

    • Sunday nights, 10:00 pm - 7:00 am, 1 lane: Sheffield Dr to Bailard Ave, on- and off-ramps at Carpinteria Ave, Reynolds Ave, Linden Ave, Casitas Pass Rd, Bailard Ave, and N Padaro Ln on-ramp

    • Monday - Thursday nights, 8:00 pm – 7:30 am, 1 lane:  Sheffield Dr to Bailard Ave, on- and off-ramps at Carpinteria Ave, Reynolds Ave, Linden Ave, Casitas Pass Rd, Bailard Ave, and N Padaro Ln on-ramp

    • Off-ramp at Evans Ave, closed for up to 9 months, anticipated reopening Oct 24, drivers can use the southbound off-ramp at Sheffield Dr

    • Off-ramp at S Padaro Ln/Santa Claus Ln, closed for up to 7 months, anticipated reopening Oct. 19, drivers can use the off-ramp at Carpinteria Ave to Santa Ynez Ave, Via Real, and S Padaro Ln 

  • Evans Ave Undercrossing

    • June 26 & 27 as needed, 9:00 pm - 6:00 am, Flaggers will direct traffic on Evans Avenue under Highway 101 to allow crews to remove portions of the old bridge overhang.

  • Ortega Hill Bike Path

    • Flaggers will direct bicyclists as needed while crews set up temporary safety barriers. The bike path will remain open, but expect short delays during safety barrier installation. After safety barriers are installed, crews will work on the freeway side of the bike path.

  • N Jameson Ln by Sheffield Dr

    • June 27 - July 1, 9:00 am - 3:00 pm, flaggers will direct traffic on N Jameson Ln by the northbound on-ramp at Sheffield Dr to allow crews to remove temporary safety barriers and fencing. Please be mindful of sharing the lane with bicyclists during this time. 

  • S Padaro Ln under Hwy 101, June 26 - 30, Sunday - Thursday nights, 9:00 pm - 6:00 am, night closures to allow crews to begin work on the underside of the new bridge, drivers can use detour on N Padaro Ln and Via Real. Please note trucks over 40' will not be able to turn right onto S Padaro Ln from Santa Claus Ln during this stage of bridge construction.

  • Via Real by Carpinteria Creek, June 27, flaggers will direct traffic as needed to allow crews to pave as part of the emergency repair work to fix damage caused by the February storm drain fire.


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 and select the project segment. 

Highway 101:  Summerland
The Summerland segment is located between Sheffield Drive and North Padaro Lane. 

  • Highway 101 

    • Crews will continue removing old pavement and grade soil on the northbound lanes.

    • Northbound off-ramp at Lillie Ave/Evans Ave

      • Crews will begin work on new ramp improvements adjacent to the temporary ramp.

    • Crews will continue work on retaining walls and safety barriers associated with the new lane improvements on the southbound side of Ortega Hill.

    • Work continues on new drainage improvements.

  • Sheffield Drive Interchange

    • Crews will continue work on the retaining walls and barriers for the northbound off-ramp at Sheffield Drive. 

    • Crews will work on architectural walls and slope paving for the new bridges (see photo above). 

    • Work continues on retaining walls, drainage, and safety barriers for the Sheffield Drive Undercrossing.

    • Trees & Cormorants (near southbound Hwy 101)

      • Trees will remain as part of the long-term habitat. 

      • The Highway 101: Carpinteria to Santa Barbara project has employed measures to balance effective freeway construction with environmental protections specifically related to cormorants, a protected, migratory bird species. 

  • Evans Avenue Undercrossing & southbound off-ramp

    • The new Summerland signage has been added to Undercrossing on the beach side. Work will continue on bridge approach areas and beach-wood surface texture on retaining walls. Work will also continue below the bridge on columns and slope paving.

    • Crews continue working on retaining walls, drainage, and the roadway for the updated southbound off-ramp at Evans Ave.


Highway 101:  Padaro
The Padaro segment is located between North Padaro Lane and Santa Claus Lane.

  • Highway 101

    • Crews will continue grading, installing roadway base, paving, installing rebar, and pouring concrete for the new southbound lanes and ramps. Crews also continue work on retaining walls and drainage improvements.

    • Crews will work on new overhead sign foundations.

  • Santa Claus Ln/S Padaro Ln Interchange

    • Crews will work on the underside (soffit) of the new bridge (see photo above).

  • Toro and Arroyo Parida Creeks

    • Demolition of the old southbound bridges will occur followed by installation of underground supports (piles).

  • N Padaro Interchange

    • The new concrete mix site, located at the southbound Highway 101 on-ramp at N. Padaro Ln, is mixing concrete for the northbound lane paving in Carpinteria. Please expect noise as trucks enter and exit the site and materials are delivered.

    • 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.

  • Sound walls

    • Oceanview Park:  Crews will work on the stone veneer for the new sound wall.

    • Southbound by the off-ramp at S. Padaro Ln:  crews will work on underground supports (piles) for sound wall construction.


Highway 101:  Carpinteria
The Carpinteria segment is located between Santa Claus Lane and Bailard Avenue. 

  • Highway 101 & Ramps

    • Crews are finishing up minor work associated with the newly opened improvements.

    • Grinding and striping will finish up for the final roadway surface. Crews will also install rumble strips at night after the lanes open. Please expect night noise.

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South Padaro Improvements

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Toro Creek Improvements

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Sheffield Dr. Improvements

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Evans Ave. Improvements


Highway 101: Carpinteria to Santa Barbara is a project undertaken by Caltrans and SBCAG in cooperation with local agencies to add a new carpool lane in each direction between Carpinteria and Santa Barbara. The project will improve bridges, interchanges, on- and off-ramps, and add sound walls.