I-5 Freeway Expansion Project Construction

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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 January 21, 2018


Next week crews will continue nighttime work to excavate soil for the Florence Avenue bridge footings and to prepare for CIDH (cast in drilled hole) piles. This work will include nighttime full freeway closures on  southbound I-5 between I-605, and Norwalk Boulevard. Please note, excavation work  and CIDH work is not expected to be exceedingly noisy, but will include noise from construction equipment and back-up alarms.

The following closures are scheduled nightly Sunday night, January 21 through Thursday night, January 25: 

  • Southbound I-5 closed between I-605 and Norwalk Boulevard, between 11 p.m. and 5 a.m. DETOUR: Southbound I-5 traffic will be directed onto southbound I-605, exit at Firestone Boulevard, east on Firestone Boulevard, east on Imperial Highway, south on southbound Frontage Road to the southbound I-5 on-ramp. 
  • Northbound I-605 Connector to Southbound I-5 closed between 9 p.m. and 5 a.m. DETOUR: Motorists will exit northbound I-605 at Imperial Highway off-ramp, east on Imperial Highway, south on SB Frontage Road to access the southbound I-5 on-ramp.
  • Southbound I-605 Connector to Southbound I-5 closed between 9 p.m. and 5 a.m. DETOUR: Motorists will continue on southbound I-605, exit Firestone Boulevard off-ramp, east on Firestone Boulevard, east on Imperial Highway, south on SB Frontage Road to access southbound I-5 on-ramp. 

The intersection of Orr and Day Road, from Longworth Avenue to Florence Avenue, will reopen by 5 a.m. Tuesday, Jan. 23. On Monday night, Jan. 22, crews will be paving Orr and Day Road at Florence Avenue, in preparation to reopen this intersection (north of Florence Avenue). To complete this work, crews will close the outside (#2) lane on westbound Florence Avenue from 7 p.m. Monday, Jan. 22 to 5 a.m. Tuesday, Jan. 23, in order to restripe the street in preparation of the opening of the intersection at Orr and Day Road on Tuesday morning. Here are some recent photos of the progress crews have made, building up the intersection of Orr and Day Road to meet the new height of Florence Avenue. 


Pile driving activity for the retaining wall adjacent to the northbound I-5 Florence Avenue on-ramp is ongoing and crews will soon begin pile driving along southbound I-5 north of Florence Avenue, for the new Florence Avenue bridge abutments. Please be advised this work may be loud and disruptive due to equipment noise, vibration and pounding related to pile driving activity, and construction lighting (if equipment needs to be moved at nighttime). Pile driving activity will be ongoing for approximately twelve weeks and will take place weekdays between 7 a.m. and 3:30 p.m. 

There is a temporary pedestrian route in place along the south side of Florence Avenue. Pedestrians can follow the route outlined in green on the map below. To explore the pedestrian route, click on the map below.


Crews will close Imperial Highway underneath the I-5 on Sunday night, January 21. Imperial Highway will be closed between Pioneer Boulevard and Adoree Street, from 9 p.m. Sunday, January 21 to 6 a.m. Monday, January 22 to allow crews to work on bridge falsework.


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.


On Monday, January 8, crews opened the newly reconstructed northbound I-5 on- and off-ramp at Rosecrans Avenue and on Wednesday, January 10, crews opened the Bloomfield Avenue undercrossing, allowing traffic to pass underneath the I-5 freeway. These major milestones mark a significant step toward completion of the Rosecrans Avenue and Bloomfield Avenue bridge project. The work that remains over the next few weeks will include landscaping, electrical work, striping and other finishing work.

Wednesday night, Jan 24 through Friday night, Jan. 26, crews will close one lane on southbound I-5 at night from 11 p.m. to 5 a.m., between Norwalk Boulevard and Carmenita Road; at least one lane will remain open at all times.


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


Southbound I-5 Artesia Boulevard off-ramp will be closed tonight Friday, Jan. 19 from 8 p.m. to 6 a.m. Saturday, Jan. 20, to perform emergency repair work. Motorists will be directed to exit Carmenita Road and turn right, then turn left onto Artesia Boulevard. The ramp closure is shown on the map below in red; the detour route is shown in blue.

Crews will continue falsework installation on the second half of the slab bridge near Arbor Place and will start removing falsework from the first half of the slab bridge. In addition, crews will continue installing a drainage system on North Firestone Blvd., at Trojan Way, as well as continuing work on the sewer system along South Firestone Blvd. 

The contractor is driving piles adjacent to northbound I-5 and Valley View bridge. This work will be conducted weekdays during the daytime between 7 a.m. and 3:30 p.m.  

*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.






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