Southbound Calgrove Bl On-Ramp 30-Day Full Ramp Closure

Summary  

As part of the I‐5 North County Enhancements Project, Metro’s contractor OHLA‐USA, will be extending the existing southbound Calgrove Bl on-ramp.  

Construction will take place during a 30-day long-term ramp closure.  Activities will include roadway excavation and construction, concrete and asphalt paving, electrical work, and metal beam guardrail installation. 

At the completion of construction, improvements are expected to enhance traffic flow and safety, reduce congestion, and make commuting smoother.  

What to Expect & Traffic Control 

Prepare for a continuous, 24 hours per day, full closure of the southbound Calgrove Bl on-ramp beginning Monday, May 5, 2025 to June 3, 2025.

• Detour 1: Traveling eastbound on Calgrove Bl; head north on The Old Rd; east on Chiquella Ln; south on Lyons Av/Pico Canyon Rd onto southbound I-5 on-ramp. 

• Detour 2: Traveling westbound on Calgrove Bl; head north on Wiley Canyon Rd; west on Lyons Av/Pico Canyon Rd onto southbound I-5 on-ramp. 

Essential Details 

• Work hours: Continuous, 24 hours per day, ramp closure from Monday, May 5, 2025 to Tuesday, June 3, 2025. 

• Day and night work will take place behind k-rail. 

• Night work anticipated to be completed with intermittent lane closures between 7pm and 9am.  

• Speed limit within the construction zone is 55‐ miles per hour 

Noteworthy 

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

Southbound Calgrove Bl On-ramp  

30-Day Full Ramp Closure 

Detour Maps 

Detour 1: Traveling eastbound on Calgrove Bl; head north on The Old Rd; east on Chiquella Ln; south on Lyons Av/Pico Canyon Rd onto southbound I-5 on-ramp. 

Detour 2: Traveling westbound on Calgrove Bl; north on Wiley Canyon Rd; west on Lyons Av/Pico Canyon Rd onto southbound I-5 on-ramp.