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Highway US-101 Lane Closures, Road Construction and Blocked Lanes

The following is a list of CalTrans lane closures, road construction, and blocked lanes that are active or plannded for on Highway US-101

CalTrans Lane & Road Closures on Highway US-101 South

How does freeway lane numbering work?
101

South

Active

In Leggett Lane #2, and the right shoulder will be closed multi-day (long term) for slipout repair along Southbound US-101 at from May 16 at 10:01PM to May 24 at 6:01PM.

From: to Maintenance Staging Area in Leggett 0.2 mi South of Marion Lane Undercrossing
Google Maps & Street View
ID: C101MC-0001-2024-05-16-22:01:00
101

South

Active

In Goleta Lane #2 will be closed multi-day (long term) for drainage work along Southbound US-101 at from May 17 at 4:01PM to Jun 14 at 4:01PM.

From: to in Goleta Post Mile 37.86
Google Maps & Street View
ID: C101KC-0001-2024-05-17-16:01:00
101

South

Active

In Salinas Lanes #1, #2 will be closed overnight for drainage work along Southbound US-101 at Prunedale So/Berta Caynon from May 17 at 8:01PM to May 18 at 8:01AM.

From: Prunedale So/Berta Caynon to Pesante Road in Salinas
Google Maps & Street View
ID: C101NB-0001-2024-05-17-20:01:00
101

South

Active

In San Jose All lanes will be closed overnight for bridge construction along Southbound US-101 at Trimble from May 17 at 9:01PM to May 18 at 8:59PM.

From: Trimble to Route 101 in San Jose
Google Maps & Street View
ID: C101QC-0010-2024-05-17-21:01:00
101

South

Active

In Sausalito Lanes #2, #3, #4 will be closed overnight for bridge construction along Southbound US-101 at Monte Mar/Spencer Ave from May 17 at 9:01PM to May 18 at 5:59AM.

From: Monte Mar/Spencer Ave in Sausalito to Golden Gate Br South Tower in San Francisco
Google Maps & Street View
ID: P101LB-0002-2024-05-17-21:01:00
101

South

Active

In Palo Alto Lanes #1, #2, #3, #4 will be closed overnight for falsework installation along Southbound US-101 at Route 114 (Willow Ave) from May 17 at 10:01PM to May 18 at 4:59AM.

From: Route 114 (Willow Ave) to Clarke Ave Ped O/C in Palo Alto
Google Maps & Street View
ID: C101IC-0001-2024-05-17-22:01:16

In San Jose Lane #1 will be closed for bridge construction along Southbound US-101 at De La Cruz Bl Oc from May 18 at 12:01AM to May 18 at 7:59AM.

From: De La Cruz Bl Oc to Trimble in San Jose
Google Maps & Street View
ID: C101QC-0004-2024-05-18-00:01:00

In Palo Alto All lanes will be closed for bridge construction along Southbound US-101 at Route 101 from May 18 at 12:01AM to May 18 at 7:59AM.

From: Route 101 to South Bound Connector OFF to University/Route 109 in Palo Alto
Google Maps & Street View
ID: C101RB-0002-2024-05-18-00:01:00

In Salinas Lanes #1, #2 will be closed overnight for drainage work along Southbound US-101 at Prunedale So/Berta Caynon from May 18 at 8:01PM to May 19 at 8:01AM.

From: Prunedale So/Berta Caynon to Pesante Road in Salinas
Google Maps & Street View
ID: C101NB-0002-2024-05-18-20:01:00

In San Jose All lanes will be closed overnight for bridge construction along Southbound US-101 at Trimble from May 18 at 9:01PM to May 19 at 8:59PM.

From: Trimble to Route 101 in San Jose
Google Maps & Street View
ID: C101QC-0011-2024-05-18-21:01:00

In San Jose Lane #1 will be closed overnight for bridge construction along Southbound US-101 at De La Cruz Bl Oc from May 18 at 11:01PM to May 19 at 9:59AM.

From: De La Cruz Bl Oc to Trimble in San Jose
Google Maps & Street View
ID: C101QC-0005-2024-05-18-23:01:00

In Ukiah All lanes will be closed for maintenance operation along Southbound US-101 at Route 101 from May 19 at 6:01AM to May 19 at 4:01PM.

From: Route 101 to Route 222/101 Separation 10-189 in Ukiah
Google Maps & Street View
ID: M101GA-0001-2024-05-19-06:01:00

In San Jose Lane #1 will be closed overnight for bridge construction along Southbound US-101 at De La Cruz Bl Oc from May 19 at 9:01PM to May 20 at 4:59AM.

From: De La Cruz Bl Oc to Trimble in San Jose
Google Maps & Street View
ID: C101QC-0006-2024-05-19-21:01:00

In San Jose All lanes will be closed overnight for bridge construction along Southbound US-101 at Trimble from May 19 at 9:01PM to May 20 at 4:59AM.

From: Trimble to Route 101 in San Jose
Google Maps & Street View
ID: C101QC-0012-2024-05-19-21:01:00

In Santa Maria All lanes will be closed overnight for bridge work along Southbound US-101 at Clark Avenue from May 19 at 9:01PM to May 20 at 5:30AM.

From: Clark Avenue to Clark Avenue in Santa Maria
Google Maps & Street View
ID: C101FB-0028-2024-05-19-21:01:00

In Santa Barbara Lanes #1, #2 will be closed overnight for roadway excavation along Southbound US-101 at Cabrillo Blvd from May 19 at 9:01PM to May 20 at 6:59AM.

From: Cabrillo Blvd to Sheffield Drive in Santa Barbara
Google Maps & Street View
ID: C101ID-0011-2024-05-19-21:01:00

In Salinas Lanes #1, #2 will be closed overnight for guardrail work along Southbound US-101 at Crazy Horse Canyon Rd from May 19 at 9:01PM to May 20 at 4:59AM.

From: Crazy Horse Canyon Rd to Boronda Road in Salinas
Google Maps & Street View
ID: C101NB-0012-2024-05-19-21:01:00

In Aromas Lanes #1, #2 will be closed overnight for guardrail work along Southbound US-101 at San Juan Road from May 19 at 9:01PM to May 20 at 5:59AM.

From: San Juan Road in Aromas to Dunbarton Road (North) in Watsonville
Google Maps & Street View
ID: C101NB-0016-2024-05-19-21:01:00

In Santa Barbara All lanes will be closed overnight for roadway excavation along Southbound US-101 at Posilipo Ln S/B ON from May 19 at 10:01PM to May 20 at 6:59AM.

From: Posilipo Ln S/B ON to Route 101 in Santa Barbara
Google Maps & Street View
ID: C101ID-0006-2024-05-19-22:01:00

In Buellton Lane #1 will be closed for median barrier work along Southbound US-101 at Alisal Road from May 20 at 6:01AM to May 20 at 6:01PM.

From: Alisal Road to Route 1 in Buellton
Google Maps & Street View
ID: C101OA-0017-2024-05-20-06:01:23

In Hopland Lane #1, and the left shoulder will be closed for striping operation along Southbound US-101 at Pieta Creek Bridge 10-133 from May 20 at 7:01AM to May 20 at 7:59PM.

From: Pieta Creek Bridge 10-133 to Pieta Creek Bridge 10-133 in Hopland
Google Maps & Street View
ID: C101WD-0002-2024-05-20-07:01:00

In Buellton Lanes #1, #2 will be closed multi-day (long term) for pavement work along Southbound US-101 at Alisal Road from May 20 at 7:01AM to May 24 at 3:01PM.

From: Alisal Road to Route 1 in Buellton
Google Maps & Street View
ID: C101OA-0026-2024-05-20-07:01:00

In San Luis Obispo All lanes will be closed for debris removal along Southbound US-101 at Grand Avenue from May 20 at 9:01AM to May 20 at 2:59PM.

From: Grand Avenue to Route 101 in San Luis Obispo
Google Maps & Street View
ID: C101YA-0001-2024-05-20-09:01:00

In Goleta Lane #1 will be closed for mowing along Southbound US-101 at Mariposa Reina from May 20 at 9:01AM to May 20 at 2:30PM.

From: Mariposa Reina to Dos Pueblos Canyon Road - Exit 113 (SB) in Goleta
Google Maps & Street View
ID: M101KA-0001-2024-05-20-09:01:10

In Goleta Lane #1 will be closed for mowing along Southbound US-101 at Mariposa Reina from May 20 at 9:01AM to May 20 at 2:30PM.

From: Mariposa Reina to Dos Pueblos Canyon Road - Exit 113 (SB) in Goleta
Google Maps & Street View
ID: M101KA-0005-2024-05-20-09:01:19

In Santa Maria Lane #1 will be closed for bridge work along Southbound US-101 at Clark Avenue from May 20 at 9:01AM to May 20 at 3:01PM.

From: Clark Avenue to Clark Avenue in Santa Maria
Google Maps & Street View
ID: C101FB-0014-2024-05-20-09:01:35

In South San Francisco Lane #2 will be closed for utility work along Southbound US-101 at Route 101 from May 20 at 9:01AM to May 20 at 2:59PM.

From: Route 101 to Oyster Point Blvd (East) in South San Francisco
Google Maps & Street View
ID: P101JB-0002-2024-05-20-09:01:38

In Salinas The right shoulder will be closed for tree work along Southbound US-101 at Dunbarton Road (South) from May 20 at 9:01AM to May 20 at 3:01PM.

From: Dunbarton Road (South) to Dunbarton Road (South) in Salinas
Google Maps & Street View
ID: P101EA-0004-2024-05-20-09:01:41

In Buellton All lanes will be closed overnight for pavement work along Southbound US-101 at Route 101 from May 20 at 6:01PM to May 21 at 6:01AM.

From: Route 101 to Route 1 in Buellton SB 101 OFF Ramp
Google Maps & Street View
ID: C101OA-0032-2024-05-20-18:01:27

In Buellton Lane #1 will be closed overnight for median barrier work along Southbound US-101 at Alisal Road from May 20 at 6:01PM to May 21 at 6:01AM.

From: Alisal Road to Route 1 in Buellton
Google Maps & Street View
ID: C101OA-0022-2024-05-20-18:01:41

In Mountain View All lanes will be closed overnight for guardrail work along Southbound US-101 at Shoreline Blvd from May 20 at 7:01PM to May 21 at 4:59AM.

From: Shoreline Blvd to Route 101 in Mountain View
Google Maps & Street View
ID: C101DD-0002-2024-05-20-19:01:20

In Buellton Lanes #1, #2 will be closed overnight for median barrier work along Southbound US-101 at Old Coast Highway from May 20 at 7:01PM to May 21 at 6:01AM.

From: Old Coast Highway in Buellton to Route 1 in Goleta
Google Maps & Street View
ID: C101OA-0028-2024-05-20-19:01:36

In Buellton Lane #1 will be closed overnight for pavement work along Southbound US-101 at Route 1 from May 20 at 7:01PM to May 21 at 6:30AM.

From: Route 1 in Buellton to Gaviota State Park Entrance in Goleta
Google Maps & Street View
ID: C101OA-0004-2024-05-20-19:01:57

In Aromas Lanes #2, #1 will be closed overnight for guardrail work along Southbound US-101 at San Juan Road from May 20 at 7:30PM to May 21 at 5:59AM.

From: San Juan Road in Aromas to Dunbarton Road (North) in Watsonville
Google Maps & Street View
ID: C101NB-0017-2024-05-20-19:30:46

In San Carlos Lanes #4, #5, #6 will be closed overnight for bridge construction along Southbound US-101 at Holly St from May 20 at 8:01PM to May 21 at 4:59AM.

From: Holly St in San Carlos to Whipple Ave in Redwood City
Google Maps & Street View
ID: C101OB-0001-2024-05-20-20:01:00

In Redwood City All lanes will be closed overnight for bridge construction along Southbound US-101 at Brittan Ave from May 20 at 8:01PM to May 21 at 4:59AM.

From: Brittan Ave to Route 101 in Redwood City
Google Maps & Street View
ID: C101OB-0005-2024-05-20-20:01:00

In Santa Barbara Lanes #1, #2 will be closed overnight for roadway excavation along Southbound US-101 at Cabrillo Blvd from May 20 at 8:01PM to May 21 at 6:59AM.

From: Cabrillo Blvd to Sheffield Drive in Santa Barbara
Google Maps & Street View
ID: C101ID-0012-2024-05-20-20:01:04

In Morgan Hill Lane #1 will be closed overnight for bridge repair along Southbound US-101 at Burnett Ave Oc from May 20 at 8:01PM to May 21 at 5:01AM.

From: Burnett Ave Oc to Coyote Cr Golf Dr in Morgan Hill
Google Maps & Street View
ID: C101WB-0017-2024-05-20-20:01:14

In Salinas Lanes #1, #2 will be closed overnight for guardrail work along Southbound US-101 at Crazy Horse Canyon Rd from May 20 at 8:01PM to May 21 at 4:59AM.

From: Crazy Horse Canyon Rd to Boronda Road in Salinas
Google Maps & Street View
ID: C101NB-0013-2024-05-20-20:01:25

In Santa Barbara All lanes will be closed overnight for roadway excavation along Southbound US-101 at Posilipo Ln S/B ON from May 20 at 8:01PM to May 21 at 6:59AM.

From: Posilipo Ln S/B ON to Route 101 in Santa Barbara
Google Maps & Street View
ID: C101ID-0007-2024-05-20-20:01:32

In Palo Alto All lanes will be closed overnight for falsework installation along Southbound US-101 at Route 101 from May 20 at 8:01PM to May 21 at 4:59AM.

From: Route 101 to South Bound Connector OFF to University/Route 109 in Palo Alto Off-ramp
Google Maps & Street View
ID: C101IC-0014-2024-05-20-20:01:54

In Carpinteria All lanes will be closed overnight for concrete pour along Southbound US-101 at Padaro Lane SB On-Ramp from May 20 at 8:01PM to May 21 at 6:59AM.

From: Padaro Lane SB On-Ramp to Route 101 in Carpinteria
Google Maps & Street View
ID: C101ID-0016-2024-05-20-20:01:54

In Palo Alto All lanes will be closed overnight for bridge repair along Southbound US-101 at Route 101 from May 20 at 9:01PM to May 21 at 5:01AM.

From: Route 101 in Palo Alto to San Antonio R Oc in Adobe Meadow
Google Maps & Street View
ID: C101GD-0004-2024-05-20-21:01:00

In Sausalito Lane #4, and the right shoulder will be closed overnight for miscellaneous work along Southbound US-101 at Ft Cronkhite Rd T from May 20 at 9:01PM to May 21 at 5:01AM.

From: Ft Cronkhite Rd T to Alexander Av in Sausalito
Google Maps & Street View
ID: P101NB-0001-2024-05-20-21:01:00

In Gilroy Lane #1 will be closed overnight for bridge repair along Southbound US-101 at Masten Ave Oc from May 20 at 9:01PM to May 21 at 7:01AM.

From: Masten Ave Oc to Church Ave Oc in Gilroy
Google Maps & Street View
ID: C101WB-0001-2024-05-20-21:01:08

In San Jose All lanes will be closed overnight for bridge construction along Southbound US-101 at Trimble from May 20 at 9:01PM to May 21 at 4:59AM.

From: Trimble to Route 101 in San Jose
Google Maps & Street View
ID: C101QC-0025-2024-05-20-21:01:29

In Santa Maria All lanes will be closed overnight for bridge work along Southbound US-101 at Clark Avenue from May 20 at 9:01PM to May 21 at 7:01AM.

From: Clark Avenue to Clark Avenue in Santa Maria
Google Maps & Street View
ID: C101FB-0024-2024-05-20-21:01:42

In Novato Lane #2, and the right shoulder will be closed overnight for emergency work along Southbound US-101 at North Novato Overhead from May 20 at 10:01PM to May 21 at 4:59AM.

From: North Novato Overhead to Atherton Ave Oc in Novato
Google Maps & Street View
ID: C101IA-0016-2024-05-20-22:01:00

In Novato All lanes will be closed overnight for emergency work along Southbound US-101 at Route 101 from May 20 at 10:01PM to May 21 at 5:59AM.

From: Route 101 to San Antonio Rd OC in Novato
Google Maps & Street View
ID: C101IA-0032-2024-05-20-22:01:00

In Novato All lanes will be closed overnight for emergency work along Southbound US-101 at San Antonio Rd OC from May 20 at 10:01PM to May 21 at 5:59AM.

From: San Antonio Rd OC to Route 101 in Novato
Google Maps & Street View
ID: C101IA-0036-2024-05-20-22:01:00
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