District 2 - Redding

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Welcome to our District

Caltrans has 12 districts. We are District 2, with main offices in Redding, California. At 27,307 square miles, we're the second largest district (area) in the state. Our District includes the counties of LassenModocPlumasShastaSiskiyouTehama, and Trinity Counties. District 2 also services portions of Butte and Sierra Counties.

Current Road Conditions

If you are traveling throughout California and need traffic information including chain controls, check Caltrans Quickmap. If you are traveling throughout District 2 in Northern California, you may

Long Term Closures - June 2018



Mt. Shasta - Dunsmuir

Construction Phase 1

Beginning on June 18th for approximately 2 1/2 weeks, expect temporary lane closures on I-5, northbound and southbound during daylight hours, between Mt. Shasta through Dunsmuir. This is Construction Phase 1. Anticipated delays of at least 15 minutes during regular hours, and up to 45 minutes during peak hours, Monday through Friday and some weekends. Caltrans and J.F. Shea Construction are working on a stretch of I-5 to be reconstructed with reinforced concrete; this material holds up better to chain wear and fluctuations in temperature, requires less maintenance, and has a 40-year service life. Construction Phase 1 will begin a little north of Lassen Lane in Mount Shasta, continuing southbound, but traffic operations will affect both directions of travel.


Klamath River Bridge


Work on the bridge project north of Yreka continues progressing. It includes widening, bridge rail upgrade, and undercrossing. Northbound and southbound traffic on Interstate 5 currently is under a 55 mph speed reduction with single lane closures in effect for both directions. Construction operations currently underway, please slow down and pay attention to the cone zone and signs indicated reduce speed rules in place. Safety is a shared responsibility.

sidehill project


Shasta Viaduct


The Shasta Viaduct Project, currently under temporary suspension, will replace a bridge that has ended its usable life. This structure is unique. By the end of 2017, a 1 ½ inch lateral deflection (movement) at the crown of the arches was observed during construction. On January 5, 2018 Caltrans stopped all operations at the site to conduct a design review. Currently, Caltrans does not have a set date to resume work. It may take several weeks until a new direction is decided and full construction operations resume. We’ll update when construction resumes.

colby curves project

State Route 32 - TRAFFIC ALERT!

Colby Curves


Caltrans and Knife River Construction will be conducting a controlled blasting operation on State Route 32, as part of the larger Colby Curves Road Improvement Project, which is realigning and widening a .7 mile stretch of SR 32. The exact location for the controlled blasting is post mile 8.6 in Tehama County but operations will affect a larger portion of SR 32 between Chico and Chester.

Due to the blasting operations proximity to the roadway, State Route 32 will be CLOSED on June 21st between 8 am - 5 pm, affecting drivers between Chico and Chester.

Detours will be clearly signed via highways 99 and 36. Caltrans anticipates these detours will add approximately 40 minutes of traveling time and asks drivers to please follow the detour signs and drive carefully.


STATE ROUTE 36 - Federal Highway Realignment west of Red Bluff.


Realignment project between post mile 36.05 and 40.44 in Humboldt County (west of Dinsmore). Full road closures in effect until the project is complete by November 1st.
As of May 21, 2018, traffic schedules are the following:


8 am -12 pm - CLOSED
12 Noon - 1 pm - OPEN
1 pm - 5 pm - CLOSED
5 pm - 8 pm - One way traffic control with flaggers. 30-minute delays anticipated.

Tuesday - Thursday
6 am - 8 am One way traffic control with flaggers. 30-minute delays anticipated.
8 am -12 pm - CLOSED
12 Noon - 1 pm - OPEN
1 pm - 5 pm - CLOSED
5 pm - 8 pm - One way traffic control with flaggers. 30-minute delays anticipated.

6 am - 8 am - One way traffic control with flaggers. 30-minute delays anticipated.
8 am -12 pm - CLOSED
12 Noon - 1 pm - OPEN
1 pm - 3 pm - CLOSED

From Friday at 3:01 pm through the weekend the road is open. Work will resume on Monday at 8 am with full closure. Motorists can expect delays before and after closures.

East Red Bluff


East Red Bluff Pavement Project

Construction underway with sidewalk, driveway, and ADA curb ramp work. The East Red Bluff project begins on SR36/Antelope Blvd. near Sale Lane, continues east towards the SR36/SR99 junction, and finishes on SR36E approximately 2.0 miles east of the junction.The majority of work is scheduled during night time, from 6 PM thru 6 AM. During portions of the project traffic delays from 15 to 20 minutes are anticipated.




Stillwater Improvements Project

Stillwater Road continues CLOSED through August 13, 2018. With bridge construction in full force, the Stillwater Improvement Project is going very well. The project is on schedule and the new structure is approximately 20% complete. Please note: Gilbert Drive at SR 44 will be the access point for South Stillwater Road residents. Right in/out will only be allowed at Gilbert Road. Detours will be clearly marked and visible for all traffic. The closure will continue through approximately August 13, 2018. After that date, traffic operations will remain in place until the project is complete.

State Route 70


East of Twain - WORK IN PROGRESS - Temporary traffic signal for one-way traffic control. The signal is in place while storm damage repair to the retaining wall is completed. This project is ongoing.

Spring Garden Bridge - One-way traffic control with a traffic signal at the Spring Garden Bridge located on SR 70, 5 miles east of Quincy in Plumas County. Construction is currently underway with anticipated delays up to 15 minutes. This project is in its second season and is expected to be near completion by late November 2018, with a short third season in the Spring of 2019 and completion by early summer 2019.

Lake Almanor Spillway Bridge A detour adjacent to the construction project is open to vehicles, bicycles and pedestrians 24/7, with one-way traffic control by means of a signal. Vehicles must wait for the green light to proceed. Cyclists and pedestrians are asked to push a button for the green signal and proceed preferable on the shoulder. The detour will continue functioning until a new spillway bridge is built. The Lake Almanor Spillway Bridge is anticipated to be complete by November 2018.

State Route 96



The road is open, all lanes. Motorists may encounter Caltrans employees doing work at various locations along State Route 96, and there may be traffic control operations with minimal delays at certain points. Caltrans is working on a long stretch of SR 96, repairing the road from winter storm damage.


State Route 147


Hamilton Branch Bridge | WORK IN PROGRESS

The Hamilton Branch Bridge is located on SR 147 in Plumas County. Caltrans and its contractor continue working on replacing this bridge. This job is expected to be completed by early July 2018.

A stretch of roadway in both ends needs to be repaved to create a smooth transition between the highway and the new bridge. Pavement is set for the weekend of Friday, June 8th through the following week. One-way traffic control operations will be in place, with anticipated delays up to 15 minutes.

Thank you for your cooperation. We are almost there! Drive safely. 




Construction continues progressing for the Johnson Park Project on SR299 east of Burney. One-way traffic control operations 24 hours per day, 7 days per week. Anticipated delays are up to 15 minutes.



Belden Rest Area



The Belden Rest Area is closed long term. Caltrans has provided for temporary restrooms located in the parking lot across the Belden Bridge. The Belden Rest Area, a PG&E facility near the Yellow Creek Bridge on State Route 70 in Plumas County is closed as of March 26, 2018. Caltrans and its contractor Stewart Engineering are working on a project that will replace the Yellow Creek Bridge. Built in 1934, the bridge has exhausted its usable life. The new bridge will meet current design and seismic retrofitting standards. The PG&E Belden Rest Area will serve as a construction staging area for the $10 million safety project, and its closure is anticipated for approximately one year and a half. A traffic signal stands near the rest area and 10-minute delays are anticipated throughout the duration of the project, estimated to be completed in December 2019. PLEASE NOTE: Caltrans has installed temporary restroom facilitates in the area.

Collier Rest Area


STATE ROUTE 97 Grass Lake

The Randolph Collier Rest Area by Interstate 5, north of Yreka in Siskiyou County will be CLOSED from April 30th thru August 2018 due to the replacement of its water treatment system.

The Grass Lake Rest Area by State Route 97 is CLOSED as well, due to water system replacement work. Date of reopening is to be determined.


Travel Conditions


Check Current Highway Conditions

You can also call 1-800-427-7623 for current highway conditions.

QuickMap is available in both Google Play and in the App Store. 

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Local Links

Statewide Alerts and Other Information

Contact Information

General Information:

Phone: 530-225-3426
Fax: (530) 229-0502

Physical Address:

California Department of Transportation
District 2
1657 Riverside Drive
Redding, CA 96001

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