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I-5 NCEP Weekly Look-Ahead: March 20 to March 26, 2023

I-5 NCEP Weekly Look-Ahead: March 20 to March 26, 2023
20 Mar 2023 by Metro

I-5 NCEP Weekly Look-Ahead: March 20 to March 26, 2023

Prepare for weeknight intermittent lane reductions in both directions between SR-14 and Parker Rd from 8pm to 6am to support all the below activities on I-5. Crews begin mobilizing at 6am and work hours are 7am to 4pm and 7pm to 6am on weekdays, and Saturdays as needed. 

SR-14 to Magic Mountain Pkwy 

Weldon Canyon Rd bridge removal of concrete form work. One-way traffic control with a flagger will be used as needed Monday through Friday at Weldon Canyon Rd/Coltrane Av. | More Information 

Gavin Canyon bridge foundation steel rebar, forming and grading work along the northbound outside shoulder between Weldon Canyon Rd and Calgrove Bl. Construction access from The Old Road may be utilized. | More Information

Southbound outside shoulder excavation, shoring and retaining wall work between Weldon Canyon Overcrossing and Calgrove Bl. Prepare for intermittent closures of the southbound Calgrove Bl on- and off-ramps from 7pm to 6am. Signage is posted along the detour routes and at the preceding off-ramp. Flagger controlled construction access from The Old Road at Gavin Canyon Undercrossing may be utilized. | More Information 

Southbound on-ramp detours:   

  • Westbound Calgrove Bl: Right on the Old Rd, merge onto San Fernando Rd, right on Sepulveda Bl, merge onto Roxford St, enter southbound I-5 at Sepulveda Bl/Roxford St on-ramp  
  • Eastbound Calgrove Bl: Enter northbound I-5 Calgrove Bl on-ramp, exit northbound Lyons Av/Pico Canyon Rd off-ramp, right on Lyons Av, enter southbound I-5 at Lyons Av on-ramp  

Center median retaining wall construction and concrete barrier work.  Activities include excavation, backfill, shoring, form, and concrete work between SR-14 and Magic Mountain Pkwy. | More Information 

Outside shoulder slope soil stabilization (soil nail installation) in both directions between Weldon Canyon bridge and Calgrove Bl. Equipment includes a directional drilling machine, usage of trucks, forklifts, and concrete mixing support. | More Information  

Butte Canyon bridge concrete form removal in the center median between Pico Canyon Rd/Lyons Av and McBean Pkwy, adjacent to Vista Valencia Golf Course. | More Information 

Magic Mountain Pkwy to Parker Rd  

Pile driving adjacent to the I-5 bridge at Rye Canyon Rd between The Old Road and Avenue Stanford. | More Information 

Castaic Creek bridge deck work in the center median between SR-126 and Hasley Canyon Rd. | More Information 

Electrical work at southbound SR-126 and Parker Rd on- and off-ramps. Prepare for the following nighttime ramp closures. | More Information 

  • Closure of the southbound I-5 to SR-126 off-ramp is anticipated on Wednesday, March 22 from 9pm to 5am. 
    • Detour: From southbound I-5, exit Magic Mountain Pkwy, reenter northbound I-5 at Magic Mountain Pkwy, continue on northbound I-5 to SR-126.  
  • Closure of the southbound I-5 Parker Rd on-ramp is anticipated on Thursday, March 23 from 7pm to 6am.  
    • Detour 1: Continue on eastbound Parker Rd to Castaic Rd or the Old Road, continue to Lake Hughes Rd, enter the southbound I-5 Lake Hughes Rd on-ramp 
    • Detour 2: From Parker Rd, continue southbound on The Old Road, enter southbound I-5 from The Old Road/Hasley Canyon Rd on-ramps. 

Installation of a concrete batch plant along the southbound I-5 ramp at SR-126. | More Information  

Sound wall foundation construction along southbound outside shoulder and The Old Road between Villa Canyon Rd and Hasley Canyon Rd. Activities include excavation, auger drilling, setting of steel rebar, concrete work, and material handling. Construction access from The Old Road may be utilized. | More Information 

Center median roadway base, paving, and concrete removal activity between Magic Mountain Pkwy and SR-126. | More Information   

Coming Soon 

Full closure of Rye Canyon Rd between The Old Road and Avenue Stanford to remove construction equipment from the work zone in late March. Additional schedule and detour information will be provided in future weekly alerts. | More Information 

Essential Details    

  • Work hours: Monday through Friday and Saturday, as needed from 7am to 4pm and 7pm to 6am. Crews will begin to mobilize at 6am.    
  • No two consecutive ramps in the same direction will not be closed at the same time. Detours to the next on-ramp will be posted for each closure.    
  • Traffic will be maintained in each direction.     
  • All lanes will be reopened by 6am each morning.      
  • No lane closures will be implemented during morning or evening peak traffic hours.    
  • The speed limit in construction work zones is reduced to 55-miles per hour.    


Access to emergency responders will be maintained. Construction is a dynamic process, it is subject to weather conditions, and information is subject to change, visit the project website for the most up to date information and a weekly listing.   


Metro's Community Relations team has created a Frequently Asked Questions (FAQs) document that is now available to you as a resource. |  More Information

Our project team invites you to join our e-mailing list to get the latest details on upcoming construction. |  More Information

See all active construction notices for this project.| More Information


Contact us 
Question or comments? We are here to help.

Visit project web page
Call 213.922.2772