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Highway SR-20 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 SR-20

CalTrans Lane & Road Closures on Highway SR-20 West

How does freeway lane numbering work?
20

West

Active

In Nevada City All lanes will be closed overnight for pavement work along Westbound Highway 20 at Route 20 from May 16 at 6:01PM to May 17 at 5:59AM.

From: Route 20 to Gold Flat Rd in Nevada City WB off ramp at Gold Flat
Google Maps & Street View
ID: C20IA-0005-2024-05-16-18:01:00
20

West

Active

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Idaho-Maryland (East Main St) from May 16 at 6:01PM to May 17 at 5:59AM.

From: Idaho-Maryland (East Main St) to Route 20 in Grass Valley WB off ramp closure for East Main
Google Maps & Street View
ID: C20IA-0015-2024-05-16-18:01:00
20

West

Active

In Nevada City Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Sacramento St from May 16 at 6:01PM to May 17 at 5:59AM.

From: Sacramento St to Sacramento St in Nevada City WB Lane 2 closure by Sta 336+00
Google Maps & Street View
ID: C20IA-0060-2024-05-16-18:01:01
20

West

Active

In Nevada City All lanes will be closed overnight for curb/gutter/sidewalk work along Westbound Highway 20 at Sacramento St from May 16 at 6:01PM to May 17 at 5:59AM.

From: Sacramento St to Route 20 in Nevada City WB On Ramp at Sacramento
Google Maps & Street View
ID: C20IA-0025-2024-05-16-18:01:14
20

West

Active

In Nevada City Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Gold Flat Rd from May 16 at 6:01PM to May 17 at 5:59AM.

From: Gold Flat Rd in Nevada City to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 292+00
Google Maps & Street View
ID: C20IA-0090-2024-05-16-18:01:28
20

West

Active

In Grass Valley Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Dorsey Drive from May 16 at 6:01PM to May 17 at 5:59AM.

From: Dorsey Drive to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 198+00
Google Maps & Street View
ID: C20IA-0065-2024-05-16-18:01:34
20

West

Active

In Grass Valley Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Auburn St from May 16 at 6:01PM to May 17 at 5:59AM.

From: Auburn St to Auburn St in Grass Valley WB Lane 1 Closure by Sta 123+00
Google Maps & Street View
ID: C20IA-0070-2024-05-16-18:01:37
20

West

Active

In Grass Valley Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Wb Coll. Bank St To 174 from May 16 at 6:01PM to May 17 at 5:59AM.

From: Wb Coll. Bank St To 174 to Wb Coll. Bank St To 174 in Grass Valley WB Lane 2 Closure by Sta 136+00
Google Maps & Street View
ID: C20IA-0055-2024-05-16-18:01:55

In Williams Lane #1, and the right shoulder will be closed for ac paving along Westbound Highway 20 at End Passing Lane from 7:01AM to 6:59PM.

From: End Passing Lane to Begin Passing Lane in Williams
Google Maps & Street View
ID: C20EB-0008-2024-05-17-07:01:00

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Idaho-Maryland (East Main St) from May 19 at 6:01PM to May 20 at 5:59AM.

From: Idaho-Maryland (East Main St) to Route 20 in Grass Valley WB off ramp closure for East Main
Google Maps & Street View
ID: C20IA-0031-2024-05-19-18:01:00

In Nevada City Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Sacramento St from May 19 at 6:01PM to May 20 at 5:59AM.

From: Sacramento St to Sacramento St in Nevada City WB Lane 2 closure by Sta 336+00
Google Maps & Street View
ID: C20IA-0006-2024-05-19-18:01:06

In Grass Valley Lane #1 will be closed overnight for drainage cleaning along Westbound Highway 20 at Auburn St from May 19 at 6:01PM to May 20 at 5:59AM.

From: Auburn St to Auburn St in Grass Valley WB Lane 1 Closure by Sta 123+00
Google Maps & Street View
ID: C20IA-0026-2024-05-19-18:01:08

In Grass Valley Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Wb Coll. Bank St To 174 from May 19 at 6:01PM to May 20 at 5:59AM.

From: Wb Coll. Bank St To 174 to Wb Coll. Bank St To 174 in Grass Valley WB Lane 2 Closure by Sta 136+00
Google Maps & Street View
ID: C20IA-0021-2024-05-19-18:01:10

In Nevada City Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Gold Flat Rd from May 19 at 6:01PM to May 20 at 5:59AM.

From: Gold Flat Rd in Nevada City to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 292+00
Google Maps & Street View
ID: C20IA-0011-2024-05-19-18:01:16

In Nevada City All lanes will be closed overnight for pavement work along Westbound Highway 20 at Route 20 from May 19 at 6:01PM to May 20 at 5:59AM.

From: Route 20 to Gold Flat Rd in Nevada City WB off ramp at Gold Flat
Google Maps & Street View
ID: C20IA-0061-2024-05-19-18:01:17

In Nevada City All lanes will be closed overnight for curb/gutter/sidewalk work along Westbound Highway 20 at Sacramento St from May 19 at 6:01PM to May 20 at 5:59AM.

From: Sacramento St to Route 20 in Nevada City WB On Ramp at Sacramento
Google Maps & Street View
ID: C20IA-0001-2024-05-19-18:01:26

In Grass Valley Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Dorsey Drive from May 19 at 6:01PM to May 20 at 5:59AM.

From: Dorsey Drive to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 198+00
Google Maps & Street View
ID: C20IA-0016-2024-05-19-18:01:28

In Nevada City All lanes will be closed overnight for pavement work along Westbound Highway 20 at Route 20 from May 19 at 6:01PM to May 20 at 5:59AM.

From: Route 20 to Coyote St in Nevada City WB on ramp at Coyote
Google Maps & Street View
ID: C20IA-0136-2024-05-19-18:01:35

In Grass Valley All lanes will be closed overnight for curb/gutter/sidewalk work along Westbound Highway 20 at Route 20 from May 19 at 6:01PM to May 20 at 5:59AM.

From: Route 20 to Dorsey Dr in Grass Valley WB off Ramp Closure on Dorsey
Google Maps & Street View
ID: C20IA-0036-2024-05-19-18:01:38

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Route 20 from May 19 at 6:59PM to May 20 at 5:01AM.

From: Route 20 to Bennett in Grass Valley WB off ramp at Bennett
Google Maps & Street View
ID: C20IA-0041-2024-05-19-18:59:09

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Idaho-Maryland (East Main St) from May 20 at 6:01PM to May 21 at 5:59AM.

From: Idaho-Maryland (East Main St) to Route 20 in Grass Valley WB off ramp closure for East Main
Google Maps & Street View
ID: C20IA-0032-2024-05-20-18:01:00

In Nevada City Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Sacramento St from May 20 at 6:01PM to May 21 at 5:59AM.

From: Sacramento St to Sacramento St in Nevada City WB Lane 2 closure by Sta 336+00
Google Maps & Street View
ID: C20IA-0007-2024-05-20-18:01:06

In Grass Valley Lane #1 will be closed overnight for drainage cleaning along Westbound Highway 20 at Auburn St from May 20 at 6:01PM to May 21 at 5:59AM.

From: Auburn St to Auburn St in Grass Valley WB Lane 1 Closure by Sta 123+00
Google Maps & Street View
ID: C20IA-0027-2024-05-20-18:01:08

In Grass Valley Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Wb Coll. Bank St To 174 from May 20 at 6:01PM to May 21 at 5:59AM.

From: Wb Coll. Bank St To 174 to Wb Coll. Bank St To 174 in Grass Valley WB Lane 2 Closure by Sta 136+00
Google Maps & Street View
ID: C20IA-0022-2024-05-20-18:01:10

In Nevada City Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Gold Flat Rd from May 20 at 6:01PM to May 21 at 5:59AM.

From: Gold Flat Rd in Nevada City to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 292+00
Google Maps & Street View
ID: C20IA-0012-2024-05-20-18:01:16

In Nevada City All lanes will be closed overnight for pavement work along Westbound Highway 20 at Route 20 from May 20 at 6:01PM to May 21 at 5:59AM.

From: Route 20 to Gold Flat Rd in Nevada City WB off ramp at Gold Flat
Google Maps & Street View
ID: C20IA-0062-2024-05-20-18:01:17

In Nevada City All lanes will be closed overnight for curb/gutter/sidewalk work along Westbound Highway 20 at Sacramento St from May 20 at 6:01PM to May 21 at 5:59AM.

From: Sacramento St to Route 20 in Nevada City WB On Ramp at Sacramento
Google Maps & Street View
ID: C20IA-0002-2024-05-20-18:01:26

In Grass Valley Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Dorsey Drive from May 20 at 6:01PM to May 21 at 5:59AM.

From: Dorsey Drive to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 198+00
Google Maps & Street View
ID: C20IA-0017-2024-05-20-18:01:28

In Nevada City All lanes will be closed overnight for pavement work along Westbound Highway 20 at Route 20 from May 20 at 6:01PM to May 21 at 5:59AM.

From: Route 20 to Coyote St in Nevada City WB on ramp at Coyote
Google Maps & Street View
ID: C20IA-0137-2024-05-20-18:01:35

In Grass Valley All lanes will be closed overnight for curb/gutter/sidewalk work along Westbound Highway 20 at Route 20 from May 20 at 6:01PM to May 21 at 5:59AM.

From: Route 20 to Dorsey Dr in Grass Valley WB off Ramp Closure on Dorsey
Google Maps & Street View
ID: C20IA-0037-2024-05-20-18:01:38

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Route 20 from May 20 at 6:59PM to May 21 at 5:01AM.

From: Route 20 to Bennett in Grass Valley WB off ramp at Bennett
Google Maps & Street View
ID: C20IA-0042-2024-05-20-18:59:09

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Idaho-Maryland (East Main St) from May 21 at 6:01PM to May 22 at 5:59AM.

From: Idaho-Maryland (East Main St) to Route 20 in Grass Valley WB off ramp closure for East Main
Google Maps & Street View
ID: C20IA-0033-2024-05-21-18:01:00

In Nevada City Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Sacramento St from May 21 at 6:01PM to May 22 at 5:59AM.

From: Sacramento St to Sacramento St in Nevada City WB Lane 2 closure by Sta 336+00
Google Maps & Street View
ID: C20IA-0008-2024-05-21-18:01:06

In Grass Valley Lane #1 will be closed overnight for drainage cleaning along Westbound Highway 20 at Auburn St from May 21 at 6:01PM to May 22 at 5:59AM.

From: Auburn St to Auburn St in Grass Valley WB Lane 1 Closure by Sta 123+00
Google Maps & Street View
ID: C20IA-0028-2024-05-21-18:01:08

In Grass Valley Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Wb Coll. Bank St To 174 from May 21 at 6:01PM to May 22 at 5:59AM.

From: Wb Coll. Bank St To 174 to Wb Coll. Bank St To 174 in Grass Valley WB Lane 2 Closure by Sta 136+00
Google Maps & Street View
ID: C20IA-0023-2024-05-21-18:01:10

In Nevada City Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Gold Flat Rd from May 21 at 6:01PM to May 22 at 5:59AM.

From: Gold Flat Rd in Nevada City to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 292+00
Google Maps & Street View
ID: C20IA-0013-2024-05-21-18:01:16

In Nevada City All lanes will be closed overnight for pavement work along Westbound Highway 20 at Route 20 from May 21 at 6:01PM to May 22 at 5:59AM.

From: Route 20 to Gold Flat Rd in Nevada City WB off ramp at Gold Flat
Google Maps & Street View
ID: C20IA-0063-2024-05-21-18:01:17

In Nevada City All lanes will be closed overnight for curb/gutter/sidewalk work along Westbound Highway 20 at Sacramento St from May 21 at 6:01PM to May 22 at 5:59AM.

From: Sacramento St to Route 20 in Nevada City WB On Ramp at Sacramento
Google Maps & Street View
ID: C20IA-0003-2024-05-21-18:01:26

In Grass Valley Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Dorsey Drive from May 21 at 6:01PM to May 22 at 5:59AM.

From: Dorsey Drive to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 198+00
Google Maps & Street View
ID: C20IA-0018-2024-05-21-18:01:28

In Nevada City All lanes will be closed overnight for pavement work along Westbound Highway 20 at Route 20 from May 21 at 6:01PM to May 22 at 5:59AM.

From: Route 20 to Coyote St in Nevada City WB on ramp at Coyote
Google Maps & Street View
ID: C20IA-0138-2024-05-21-18:01:35

In Grass Valley All lanes will be closed overnight for curb/gutter/sidewalk work along Westbound Highway 20 at Route 20 from May 21 at 6:01PM to May 22 at 5:59AM.

From: Route 20 to Dorsey Dr in Grass Valley WB off Ramp Closure on Dorsey
Google Maps & Street View
ID: C20IA-0038-2024-05-21-18:01:38

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Route 20 from May 21 at 6:59PM to May 22 at 5:01AM.

From: Route 20 to Bennett in Grass Valley WB off ramp at Bennett
Google Maps & Street View
ID: C20IA-0043-2024-05-21-18:59:09

In Redwood Valley All lanes will be closed for striping operation along Westbound Highway 20 at Cold Creek Bridge 10-40 from May 22 at 7:01AM to May 22 at 7:59PM.

From: Cold Creek Bridge 10-40 to Route 20 in Redwood Valley
Google Maps & Street View
ID: C20HA-0005-2024-05-22-07:01:22

In Ukiah Lane #1, and the left shoulder will be closed for striping operation along Westbound Highway 20 at Cold Creek Bridge 10-40 from May 22 at 7:01AM to May 22 at 7:59PM.

From: Cold Creek Bridge 10-40 to Cold Creek Bridge 10-40 in Ukiah
Google Maps & Street View
ID: C20HA-0003-2024-05-22-07:01:37

In Grass Valley All lanes will be closed overnight for drainage cleaning along Westbound Highway 20 at Idaho-Maryland (East Main St) from May 22 at 6:01PM to May 23 at 5:59AM.

From: Idaho-Maryland (East Main St) to Route 20 in Grass Valley WB off ramp closure for East Main
Google Maps & Street View
ID: C20IA-0034-2024-05-22-18:01:00

In Nevada City Lane #2 will be closed overnight for drainage cleaning along Westbound Highway 20 at Sacramento St from May 22 at 6:01PM to May 23 at 5:59AM.

From: Sacramento St to Sacramento St in Nevada City WB Lane 2 closure by Sta 336+00
Google Maps & Street View
ID: C20IA-0009-2024-05-22-18:01:06

In Grass Valley Lane #1 will be closed overnight for drainage cleaning along Westbound Highway 20 at Auburn St from May 22 at 6:01PM to May 23 at 5:59AM.

From: Auburn St to Auburn St in Grass Valley WB Lane 1 Closure by Sta 123+00
Google Maps & Street View
ID: C20IA-0029-2024-05-22-18:01:08

In Grass Valley Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Wb Coll. Bank St To 174 from May 22 at 6:01PM to May 23 at 5:59AM.

From: Wb Coll. Bank St To 174 to Wb Coll. Bank St To 174 in Grass Valley WB Lane 2 Closure by Sta 136+00
Google Maps & Street View
ID: C20IA-0024-2024-05-22-18:01:10

In Nevada City Lane #2 will be closed overnight for ac paving along Westbound Highway 20 at Gold Flat Rd from May 22 at 6:01PM to May 23 at 5:59AM.

From: Gold Flat Rd in Nevada City to Dorsey Drive in Grass Valley WB Lane 2 closure by Sta 292+00
Google Maps & Street View
ID: C20IA-0014-2024-05-22-18:01:16

In Nevada City All lanes will be closed overnight for pavement work along Westbound Highway 20 at Route 20 from May 22 at 6:01PM to May 23 at 5:59AM.

From: Route 20 to Gold Flat Rd in Nevada City WB off ramp at Gold Flat
Google Maps & Street View
ID: C20IA-0064-2024-05-22-18:01:17
See all lane closures...