I-5 Freeway Expansion Project Construction

Press Enter to show all options, press Tab go to next option

Upcoming closures, detours and activity


An easier drive for Southern California commuters is in progress. As road closure information is received from Caltrans, details will be posted regarding the I-5 Freeway Expansion Project in the City of Norwalk (Carmenita, Rosecrans/Bloomfield, and Norwalk/Imperial/Pioneer). For information on other segments along the I-5 corridor, please click on the Caltrans website www.I-5info.com and scroll down the map to the area you are interested in. Also, if you would like instant notifications via email, please click on the left side of the I-5info.com website to register your email address and the particular location you are interested in. If you have any questions, concerns, or suggestions you would like the City to share with Caltrans, please let us know so that we can bring it to their attention. You can call City Hall at (562) 929-5944 or email us at administration@norwalkca.gov.


Click on I-5 South Project Overview to get a big-picture view of the expansion. For specific project areas affecting Norwalk residents, see below.


Week of February 15 - February 22, 2019



This project is 75% complete.

Projected date of completion for the Florence Ave. Bridge:  Early 2020.

Project date for completion of project: Early 2020.

Also, please  go to our Twitter page at twitter.com/My5LA for project updates.

In the past week, paving of the Florence Ave. loop on ramp to the southbound I-5 continued:




Construction on this project is 87% complete.

Projected date of completion: *Spring 2019. 

Also, please go to Twitter page at twitter.com/My5LA for project updates.

The contractor paved the median on Imperial Highway in the construction zone east of I-5 on Wednesday, February 13. 

On the night of Thursday, Feb. 07, northbound I-5 traffic was shifted to the right onto the new northbound lanes of I-5 from north of Rosecrans Ave. to the Orr & Day railroad overhead in the city of Norwalk. This aligns the mainline lanes with the lanes leading up to the Rosecrans Ave. interchange. In the coming weeks, as weather allows, the contractor will conduct the same operation on southbound lanes. Updates will be posted here and at twitter.com/My5LA .

Also in the coming weeks, the contractor will be striping the new median pavement on Imperial Highway; pouring concrete in the bus path; finishing the concrete barrier rails along the new freeway lanes; installing new freeway signs in the median; and installing rock blanket on the Norwalk Blvd. off ramp.  

The sidewalk on the east side of Pioneer Blvd. north of Imperial Highway is now partially blocked to allow tile work on the wall of the bridge, but accessible to the public.

As crews work on Imperial Highway, Norwalk Boulevard and Pioneer Boulevard bridges at I-5, one lane in each direction may be closed on each street (at I-5) during the daytime, between 8:30 a.m. and 3:30 p.m.


Construction on this project is 97% complete. The work that remains will include landscaping and finishing work.


All work has been completed on the Carmenita Road Interchange project.


Construction on this project is 37% complete.

Projected dates:
Completion of first half of Valley View Ave. Bridge: Revised to *late 2019.
Completion of second half of Valley View Ave. Bridge: Revised to *late 2021.
Completion of entire I-5 Valley View Ave. Interchange project: Revised to *early 2022.

Also, please go to our Twitter page at twitter.com/My5LA for project updates.

*Update: As of Thursday morning, Feb. 14, S. Firestone Blvd. is closed to through-traffic from Marquardt Ave. to the Valley View Ave. due to flooding. The contractor will continue to pump out the water, but the closure may remain in place through Thursday and close again as needed through the weekend, depending on rain. 

Valley View Ave. is scheduled to be closed from Alondra Blvd. to just north of S. Firestone Blvd. (south of I-5) and N. Firestone Blvd. is scheduled to be closed from Gateway Dr. to Valley View Ave. for electric utility work related to our project at the following times if weather permits:

8 p.m. Saturday, Feb. 16 until 12 p. m. Sunday, Feb. 17.
9 p.m. Monday, Feb. 18 until 6 a.m. Tuesday, Feb. 19. 
9 p.m. Tuesday, Feb. 19 until 6 a.m. Wednesday, Feb. 20. 

Business access will be permitted at all times. Updates will be posted at https://twitter.com/My5LA .

Workers are constructing the falsework (temporary frame support) and constructiing the deck of the third (middle) section of the first half of the new Valley View Ave. Bridge just west of I-5 in Santa Fe Springs. See photo galleries below.

In the past week, the contractor completed laying the plywood deck base on the bridge. Photos below from Feb. 5 and Feb. 12:





At the Coyote Creek Bridge in La Mirada, construction of the bridge deck is underway. Photos below from February 12:



And comparison photos below from October of 2018 and February 12, 2019:



Valley View Ave. will be elevated to meet with the new Valley View Ave. Bridge. In turn, N. Firestone Blvd. will be elevated to meet Valley View Ave. In preparation for these modifications, N. Firestone Blvd. is now reduced to one lane in each direction between Gateway Dr. and Valley View Ave. 

Trucks 2500 lbs. or more and / or at least 25’ long will not be permitted to:
• Drive on N. Firestone Blvd. between Valley View Ave. and Gateway Dr.
• Turn left or right onto N. Firestone Blvd. from Valley View Ave.
• Turn left from the northbound I-5 Valley View Ave. exit ramp at Gateway Dr.
to access Valley View. They must turn right onto N. Firestone Blvd.

Access to all local businesses will remain open.

Through the remainder of this project, there will be recurring closures of:

N. Firestone Blvd. between Valley View Ave. and Gateway Dr.

Valley View Ave. between Alondra Blvd. and Park Place.

Access to businesses within those closure parameters will ALWAYS be permitted. Secure the attention to workers on scene to allow access, if necessary.

N. Firestone Boulevard is CLOSED between Knott Avenue and Trojan Way in La Mirada until at least April of 2019 to prepare for the widening of I-5 and to allow demolition and reconstruction of the bridge over Coyote Creek. N. Firestone Boulevard will be rebuilt to the east. Closure and detour map below:


The City of La Mirada has requested increased assistance from the La Mirada Sheriff's Department enforcing the traffic regulations prohibiting large trucks from using N. Firestone Blvd. between the I-5 on and off ramps and Valley View Ave. Caltrans will secure enforcement assistance from the CHP and will be adding more signs to divert large trucks from the restricted portion of roadway.

Questions and Answers:

1. When construction is complete, will S. Firestone Blvd. still run through from Valley View Ave to Artesia Blvd.? 

2. When N. Firestone Blvd. is re-opened between Knott Ave. and Trojan Way, will traffic signals be installed at those two intersections?
The construction plans currently provide for stop signs only. Any changes would need to be requested by the city of La Mirada.

3. Will N. Firestone Blvd be rebuilt from Trojan Way all the way to the I-5 ramps? Yes

*DISCLAIMER: Due to the dynamic nature of construction, please note that all dates and times are subject to change due to unforeseen operational factors or inclement weather.



For information regarding upcoming closures, detours and other construction activity, be sure to check out the project Google map. This map will be updated in real time, with the latest information regarding project construction. Click the image below to view the map.






View Full Site