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Road Information Bulletin

Major roadwork scheduled Friday, September 4 through Thursday, September 10. 

The following scheduled roadwork has been verified at the time of release. Please keep in mind work is weather permitting and subject to change. For updates to this list, visit: QuickMap at http://quickmap.dot.ca.gov, check the California Highway Information Network (CHIN) at https://roads.dot.ca.gov or call 1-800-GAS-ROAD (1-800-427-7623). For information pertaining to emergency roadwork, check QuickMap and the CHIN.

Caltrans will suspend most work on Northern California highways from Friday, Sept. 4, through Monday, Sept. 7, in observance of Labor Day Weekend. However, in the case of unforeseen circumstances, it may be necessary for Caltrans crews to respond to emergency situations.

Del Norte County

  • U.S. 101 (5.3/8.1) – Utility work between Ehlers Avenue and Minot Creek Bridge 1-02 will continue. Lane closures will be in effect from 7 a.m. to 7 p.m. Motorists should expect up to 5-minute delays. LC#C101XC

  • U.S. 101 (12.5/23.8) – Sign work is scheduled at locations between Wilson Creek Road and Enderts Beach Road from 7 a.m. to 7 p.m. Tuesday through Friday, September 8–11. One-way traffic control will be in effect. Travelers should expect 15-minute delays. LC#C101CA

  • U.S. 101 (15.5/16.1) – Highway construction is scheduled between Ocean Bluffs and Damnation Creek Trailhead through Friday, September 18. One-way traffic control will be in effect. Travelers should expect 15-minute delays. LC#C101UE

  • U.S. 101 (35.8/36.5) – The Dr. Fine Bridge Replacement Project is scheduled in the Smith River area nightly from 6 p.m. to 9 a.m. One-way traffic control will be in effect. Travelers should expect 10-minute delays. LC#C101WA

  • U.S. 101 (43.6/46.3) – Nighttime highway construction is scheduled near Crissey Road on Thursday night, September 3, and Tuesday through Thursday nights, September 8–10, from 8 p.m. to 7 a.m. One-way traffic control will be in effect. Travelers should expect 10-minute delays. LC#C101AB

  • Route 197 (3.2/3.7) – Drainage and roadway excavation work is scheduled near Ginny Lane from 6 a.m. to 5 p.m. weekdays. One-way traffic control will be in effect. Travelers should expect 10-minute delays. LC#C197AA

  • U.S. 199 (0.5/1) – Curb, gutter and sidewalk work is scheduled between the 199/101 junction and Kings Valley Road/Parkway Drive. Lane and shoulder closures will be in effect. Expect minor traffic slowdowns. LC#C199IA

  • U.S. 199 (20.4/20.6) – Highway construction is scheduled near Middle Fork Smith River Bridge 1-19. One-way traffic control will be in effect. Travelers should expect 10-minute delays. LC#C199FA

  • U.S. 199 (24/24.1) – Highway construction is scheduled near Middle Fork Smith River Bridge 1-15. One-way traffic control will be in effect. Travelers should expect 10-minute delays. LC#C199FA

Humboldt County

  • Route 36 (4/4.5) – Construction upgrades, including striping work, are scheduled near Carlotta. One-way traffic control will be in effect from 7 a.m. to 7 p.m. Travelers should expect 15-minute delays. LC#C36IA

  • Route 36 (15.7/16.3) – Slide response west of Grizzly Creek Redwoods State Park will continue. One-way traffic control will be in effect. Travelers should expect up to 60-minute delays. Check Caltrans District 1 on social media for updates. LC#T36HA

  • Route 36 (19.6) – Emergency work west of Maple Grove will continue. One-way traffic control will be in effect. Travelers should expect 5-minute delays. LC#C36JA

  • Route 36 (25.3/25.4) – Drainage work is scheduled between Little Larabee Creek Bridge 4-102 and the Caltrans Bridgeville Maintenance Station from 7 a.m. to 5:30 p.m. weekdays. One-way traffic control will be in effect. Travelers should expect 10-minute delays. LC#C36UA 

  • Route 36 (34.5) – Bridge work at Butte Creek Bridge 4-116 will continue. One-way traffic control will be in effect. Travelers should expect 5-minute delays. LC#C36UA

  • Route 96 (8.1/13.2) – Utility work is scheduled between Tish Tang Campground and Hostler Creek Lane from 7 a.m. to 7 p.m. weekdays. One-way traffic control will be in effect. Travelers should expect 5-minute delays. LC#C96BA

  • Route 96 (16.8/19) – Emergency work is scheduled between Sidehill Viaduct and the turnout at postmile 19 daily from 7 a.m. to 5 p.m. One-way traffic control will be in effect. Travelers should expect 5-minute delays. LC#P96AA

  • Route 96 (28.4) – Utility work will occur north of the Aikens Creek West Campground on Friday, August 28. One-way traffic control will be in effect from 7 a.m. to 5 p.m. Motorists should expect up to 5-minute delays. LC#P96AA

  • Route 96 (31.5/33.1) – Paving work will occur near Red Cap Gulch on Monday, August 31 from 7:30 a.m. to 4:00 p.m. One-way traffic control will be in effect and motorists should anticipate up to 15-minute delays. LC#N96JA

  • U.S. 101 (7.8/8.6) – Utility work is scheduled in the southbound direction between Old U.S. 101 Undercrossing 4-216 and Benbow Undercrossing 4-211 from 8 a.m. to 6 p.m. weekdays. A southbound lane closure will be in effect. Expect minor traffic slowdowns. LC#C101RE

  • U.S. 101 (17.7) – Drainage work is scheduled at the southbound off-ramp to Hooker Creek Road on Friday, August 28. A full southbound off-ramp closure will be in effect from 6 a.m. to 3 p.m. Use an alternate route. LC#C101DE

  • U.S. 101 (19.4/19.7) – Drainage work is scheduled in the southbound direction near Dimmick Road Undercrossing through Wednesday, Sept. 30. A southbound shoulder closure will be in effect. Expect minor traffic slowdowns. LC#C101DE

  • U.S. 101 (23.9/27.9) – Paving work is scheduled between Salmon Creek Bridge 4-176 and Myers Flat Separation 4-124 from 6 a.m. to 8 p.m. weekdays. Lane closures will be in effect, with full ramp closures at Salmon Creek Road. Use an alternate route for ramp closures. LC#C101UB

  • U.S. 101 (33.3) – Drainage work is scheduled at the southbound off-ramp to Weott from 6 a.m. to 6 p.m. weekdays. A full southbound off-ramp closure will be in effect. Use an alternate route. LC#C101DE

  • U.S. 101 (35.1/39.7) – Utility work is scheduled in the northbound direction between Federation Grove Separation 4-114 and Redcrest Undercrossing 4-198 from 8 a.m. to 6 p.m. weekdays. A moving northbound lane closure will be in effect. Expect minor traffic slowdowns. LC#C101VE

  • U.S. 101 (53.4/54.6) – Bridge work is scheduled near the Eel River Bridge. The northbound bridge is closed and traffic is diverted to the southbound bridge. Lane closures will be in effect. Travelers should

    U.S. 101 (76.1/79.7) – Nighttime culvert work is scheduled in Eureka between South Bayshore Mall Entrance and the Target entrance from 6 p.m. to 6 a.m. Tuesday through Thursday nights, September 8–10. Lane closures will be in effect. Expect minor traffic slowdowns. LC#C101IB

  • U.S. 101 (79.5/80.3) – Core drilling is scheduled in the southbound direction between Cole Avenue/Jacobs Avenue and X Street from 8 p.m. to 6 a.m. Tuesday through Friday nights, September 8–11. A southbound lane closure will be in effect. Travelers should expect 10-minute delays. LC#C101AD

  • U.S. 101 (79.8/80) – Bridge work is scheduled in the southbound direction at Eureka Slough Bridge 4-22. Southbound shoulder closures will be in effect during the day, with additional southbound lane closures through Friday morning, September 4. Travelers should expect 10-minute delays. LC#C101PE

  • U.S. 101 (103.4/103.7) – Shoulder and utility work is scheduled near Seawood Drive Undercrossing from 6 a.m. to 7 p.m. weekdays. Northbound shoulder closures and full northbound and southbound off-ramp closures will be in effect. Use an alternate ramp. LC#C101PB

  • U.S. 101 (106.1) – Culvert work is scheduled at the northbound off-ramp to Patricks Point Drive from 7 a.m. to 6 p.m. weekdays. A northbound off-ramp lane closure will be in effect. Expect minor traffic slowdowns. LC#C101IB

  • U.S. 101 (124.8/125.8) – Highway construction is scheduled near Prairie Creek Fish Hatchery. One-way traffic control will be in effect. Travelers should expect 5-minute delays. LC#C101TD

  • U.S. 101 (129.6/132.3) – Utility work is scheduled between Runaway Truck Ramp and Redwood Bypass Storage Site from 7 a.m. to 7 p.m. Tuesday through Thursday, September 8–10. Lane and shoulder closures will be in effect. Travelers should expect 5-minute delays. LC#C101XC

  • Route 254 (7.4/7.7) – Utility work is scheduled between 0.6 mile south of Cathey Road and 0.3 mile south of Cathey Road Wednesday through Friday, September 9–11, from 9 a.m. to 6 p.m. One-way traffic control will be in effect. Travelers should expect 5-minute delays. LC#C254HA

  • Route 254 (18.8) – Slide removal work is ongoing just north of Weott. One-way traffic control will be in effect. Travelers should expect 5-minute delays. LC#C254AA

  • Route 299 (8.2/9.7) – Highway construction is scheduled between 0.8 mile east of Blue Lake Weigh Station and 1.3 miles west of North Fork Mad River Bridge 4-194 from 6 a.m. to 8 p.m. weekdays. One-way traffic control will be in effect. Travelers should expect 10-minute delays. LC#C299IA 

  • Route 299 (13.7/14.2) – Drainage work is scheduled between 1.2 miles east of Simpson Road and 1.7 miles east of Simpson Road from 7 a.m. to 5 p.m. weekdays. Lane closures will be in effect. Expect minor traffic slowdowns. LC#C299CA

Lake County

  • Route 20 (2.5/5.5) – Tree work will occur west of Upper Lake from Irvine Avenue to Springs Road on Tuesday, September 8. One-way traffic control will be in effect from 9 a.m. to 3 p.m. Motorists should expect up to 5-minute delays. LC#P20EA

  • Route 20 (6.7/22.8) – Tree work at various locations from west of Upper Lake at Bachelor Valley Road to west of Glenhaven near Gladys Street will begin on Wednesday, September 9. One-way traffic control will be in effect from 9 a.m. to 3 p.m. Motorists should expect up to 5-minute delays. LC#P20FA

  • Route 20 (24.3/25.6) – Tree work will occur from Glenhaven at Harbor Drive to Clearlake Oaks at Swanson Road on Friday, August 28. One-way traffic control will be in effect from 9 a.m. to 3 p.m. Motorists should expect up to 5-minute delays. LC#P20AA

  • Route 29 (17.5/17.8) – Construction work in Twin Lakes from B Street to C Street continues. One-way traffic control will be in effect from 8 p.m. to 6 a.m. Motorists should anticipate up to 10-minute delays. LC#C29CA

  • Route 53 (1.4/1.9) – Road work in Clearlake from 18th Avenue to Dam Road continues. Southbound lane closures will be in effect and motorists should expect minor slowdowns in the area. LC#P53CA

  • Route 175 (24.9/25.5) – Utility work near Middletown from the Putah Creek Bridge 14-80 to the Putah Creek Bridge 14-21 continues. One-way traffic control will be in effect from 7 a.m. to 7 p.m. Motorists should expect up to 5-minute delays. LC#C175LA

Mendocino County

  • Route 1 (13.8/46.2) – Utility work at various locations from south of the Pelican Bluffs Coastal Trail to south of Buckhorn Cove Road will continue. One-way traffic control will be in effect from 8:00 a.m. to 7:30 p.m. Motorists should expect up to 5-minute delays. LC#C1FA

  • Route 1 (30.6/31.3) – Emergency work south of Elk continues. One-way traffic control will be in effect and motorists should anticipate up to 10-minute delays. LC#C1QB

  • Route 1 (34.6/36.5) – Utility work north of the Elk Post Office will continue. One-way traffic control will be in effect from 8:00 a.m. to 7:30 p.m. Motorists should expect up to 5-minute delays. LC#C1AC

  • Route 1 (44.2/45.4) – Utility work north of Albion will occur on Friday, September 11. One-way traffic control will be in effect from 7:30 a.m. to 12:30 p.m. Motorists should expect up to 5-minute delays. LC#C1DA

  • Route 1 (59.6/60.6) – Construction work in Fort Bragg from the Hare Creek Bridge 10-175 to the Noyo River Bridge 10-176 continues. Lane closures will be in effect from 7 a.m. to 3 p.m. Motorists should expect minor slowdowns in the area. LC#C1GB

  • Route 1 (61.2/61.9) – Caltrans has granted an encroachment permit for the Paul Bunyan Days Labor Day Parade in Fort Bragg from Madrone Street to Elm Street on Monday, September 7. Lane closures will be in effect from 8:30 a.m. to 3:30 p.m. Motorists should expect up to 5-minute delays. LC#P1GA

  • Route 1 (78.1/78.4) – Emergency work in Westport at Wages Creek Road continues. One-way traffic control will be in effect and motorists should anticipate up to 10-minute delays. LC#C1SB  
  • Route 1 (82.5/82.9) – Culvert work north of Hillshore Drive to the Juan Creek Bridge 10-140 continues. One-way traffic control will be in effect from 7 a.m. to 8 p.m. Motorists should expect up to 5-minute delays. LC#C1CB

  • Route 20 (.5/1.4) – Utility work in Fort Bragg from Symes Lane to Pine Tree Lane will continue. One-way traffic control will be in effect from 8:00 a.m. to 7:30 p.m. Motorists should expect up to 5-minute delays. LC#C20YA

  • Route 20 (1.4/5.8) – Utility work east of Fort Bragg from Pine Tree Lane to Camp One Access Road continues. One-way traffic control will be in effect from 8:00 a.m. to 7:30 p.m. Motorists should expect up to 5-minute delays. LC#C20CB

  • Route 20 (5.8/11) – Utility work at various locations from Camp One Access Road to west of Three Chop Road will continue. One-way traffic control will be in effect from 8:00 a.m. to 7:30 p.m. Motorists should expect up to 5-minute delays. LC#C20LA 

  • Route 20 (33.1/34.2) – Utility work in Willits from Hollands Lane to the U.S. 101/Route 20 Separation 10-128R will continue. One-way traffic control will be in effect from 7 p.m. to 6 a.m. Motorists should expect up to 5-minute delays. LC#C20NA

  • Route 20 (33.2/34.1) – Utility work in Calpella from the U.S. 101/Route 20 Separation 10-205 to east of Road 144 continues. One-way traffic control will be in effect from 7:30 a.m. to 5:30 p.m. Motorists should expect up to 5-minute delays. LC#C20DB

  • U.S. 101 (.1/4.9) – Utility work from Viaduct 10-289 to the Sonoma County line will continue. Lane closures will be in effect from 9 p.m. to 5 a.m. Motorists should expect minor slowdowns. LC#C101XE
  • U.S. 101 (3/4.9) – Bridge work from Viaduct 10-289 to Comminsky Station Road will continue. Lane closures will be in effect from 7 a.m. to 5 p.m. Motorists should expect minor slowdowns. LC#C101HA. 

  • U.S. 101 (7/10.6) – Utility work from north of the Pieta Creek Bridge 10-133 to the Feliz Creek Bridge 10-3 will continue. Lane closures will be in effect from 9 p.m. to 5 a.m. and motorists should expect minor slowdowns. LC#C101XE

  • U.S. 101 (9.8/11) – Road work in Hopland from La Franchi Road to First Street will continue. Lane closures will be in effect from 5 a.m. to 9 p.m. Motorists should expect minor slowdowns in the area. LC#C101JD

  • U.S. 101 (14/18) – Utility work at various locations from Largo Road to north of Nelson Ranch Road will continue. One-way traffic control will be in effect from 9 p.m. to 5 a.m. Motorists should expect up to 5-minute delays. LC#C101XE

  • U.S. 101 (18/22.1) – Electrical work In Ukiah from north of Nelson Ranch Road to the South Ukiah Overhead Bridge 10-187 continues. Northbound lane closures will be in effect from 9 p.m. to 5 a.m. and motorists should expect minor slowdowns. LC#C101XE

  • U.S. 101 (20.9/28.5) – Road work in Ukiah from the Robinson Creek Bridge 10-5 to the Pomo Lane Undercrossing 10-105 continues with lane closures and minor slowdowns. Weeknight ramp closures will occur from 9 p.m. to 6 a.m. at Route 253, Route 222 at Talmage Road, East Perkins Street, Gobbi Street, North State Street, and Lake Mendocino Drive. Motorists should use an alternate route. LC#C101RC

  • U.S. 101 (22.1/22.5) – Bridge work near the South Ukiah Overhead Bridge 10-187 will continue. Lane closures will be in effect from 7 p.m. to 6 a.m. and motorists should expect minor slowdowns. LC#C101KE

  • U.S. 101 (25.6/61.9) – Road work at various locations from north of River Street to Big Trails Drive continues with lane closures and minor slowdowns. Weeknight northbound ramp closures will occur in Calpella at Moore Street and Route 20 from 7 p.m. to 7 a.m. Motorists should use an alternate route. LC#C101KE

  • U.S. 101 (50.8/51.5) – Road work north of the Reynolds Highway continues. Lane closures will be in effect from 7 a.m. to 3 p.m. Motorists should expect minor slowdowns in the area. LC#C101GA

  • U.S. 101 (59.2/80.6) – Utility work at various locations from south of the Long Valley Creek Bridge 10-97 to south of Bell Springs Road will continue. Lane closures will be in effect from 7 a.m. to 7 p.m. and motorists should expect minor slowdowns. LC#C101QE

  • U.S. 101 (78.6/80.6) – Utility work near Bell Springs Road will occur on Tuesday, September 8. Lane closures will be in effect from 7 a.m. to 7 p.m. and motorists should expect minor slowdowns in the area. LC#C101TE 

  • U.S. 101 (93.1/102.4) – Utility work from the Jitney Gulch Bridge 10-53 to the Stanley Creek Undercrossing 10-243 will continue. Lane closures will be in effect from 8 a.m. to 6 p.m. and motorists should expect minor slowdowns. LC#C101TE

  • U.S. 101 (99.7/101) – Utility work from the South Fork Eel River Bridge 100-299 to the Bear Pen Crossing 10-251 will begin on Tuesday, September 8. Northbound lane closures will be in effect from 8 a.m. to 6 p.m. Motorists should expect minor slowdowns. LC#C101TE

  • Route 162 (7.8/12.3) – Culvert work at various locations from east of the Bloody Run Creek Bridge 10-235 to east of Division Creek Road will begin on Tuesday, September 8. One-way traffic control will be in effect from 7 a.m. to 8 p.m. Motorists should anticipate up to 10-minute delays. LC#C162BA

  • Route 162 (7.9/8.4) – Bridge work at the Eel River Bridge 10-236 continues. One-way traffic control will be in effect and motorists should expect up to 10-minute delays. LC#C162HA

  • Route 162 (14.7/25.6) – Road work at various locations from west of the Middle Fork Eel River Bridge 10-252 to south of Covelo. One-way traffic control will be in effect from 7 a.m. to 8 p.m. Motorists should anticipate up to 10-minute delays. LC#C162EA

  • Route 175 (.1) – Road work from U.S. 101 to the Hopland Railroad Crossing will continue. Lane closures will be in effect and motorists should expect up to 5-minute delays. LC#C175IA

  • Route 175 (6.2/6.6) – Construction work east of Hooper Ranch Road will continue. One-way traffic control will be in effect from 7 a.m. to 7 p.m. Motorists should anticipate up to 10-minute delays. LC#C175HA

*Items in bold indicate updates from the previous week.

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Caltrans District 1 Road Information Bulletin. A large R is followed by a representation of a roadway symbolizing the letter I then followed by the letter B.