Monday, September 30, 2013

Traffic Alert: Five and Dime (I-5/I-10) Interchange To Close for "Swarm" Maintenance in East Los Angeles

Caltrans will deploy 200 personnel and community service workers for “swarm” maintenance on Sunday, October 6 in closed sections of the I-5/I-10 interchange from 5 a.m. to 12 p.m.  Crews will remove litter and graffiti, trim trees, clear weeds, repair guardrail and irrigation, re-stripe the roadway, re-lamp overhead lights, and replace signs.  

Motorist should expect delays.  Signed detours will be in place.

The closures will occur at the following locations:

Westbound I-10 to northbound I-5 connector
Southbound I-5 to eastbound I-10 connector

Southbound I-5 Mission off-ramp
Westbound I-10 State Street off-ramp
Northbound I-5 State Street on-ramp
Northbound I-5 Marengo Street on-ramp
Southbound I-5 Mission onramp
Eastbound I-10 Mission on-ramp

Generally, crews only have a short closure window within the I-5/I-10 interchange.  By increasing the window to seven hours and placing hundreds of personnel into one closure, crews will be able accomplish several tasks all at once. 

Please use for up-to-date freeway conditions.

Friday, September 27, 2013

Southbound I-5 Alondra Blvd On-Ramp Closures

Caltrans will intermittently close the southbound Santa Ana Freeway (I-5) on-ramp at Alondra Boulevard in Santa Fe Springs on weekdays from 9 a.m. to 3 p.m. beginning Monday, September 30 and continuing through mid-October, 2013.  The work involves structural items for the reconstruction of the Alondra Boulevard Bridge. 

Other long-term closures in this area are:
•    Alondra Blvd., between Freeway Dr. and Marquardt Ave., is closed until mid/late 2014;
•    the intersection of Freeway Drive and Alondra Blvd is closed; and
•    the northbound I-5 on-ramp at Alondra Blvd. is permanently closed.

Since August 2, crews have been working seven-days per week from 7 a.m. to 5 p.m. in the Freeway Dr./Alondra Blvd. work zone area to reconstruct the Alondra Blvd. Bridge, relocate underground utilities, construct retaining walls, pile drive, and construct a new temporary northbound I-5 on-ramp at Freeway Dr. 

Local commuters are encouraged to use the marked detours on Valley View Ave., Artesia Blvd., and Carmenita Road. Please consider the closures and detours in your commute and allow extra travel time to arrive at your destination.

The Santa Ana Freeway (I-5) HOV Widening and Alondra Boulevard Bridge Project to construct one carpool and one general purpose lane in each direction and reconstruct the Alondra Blvd. Bridge.  The $110 million project extends from the North Fork Coyote Creek Bridge to Marquardt Ave.  The project will reconstruct overcrossings at Alondra Blvd and North Fork Coyote Creek, and realign and upgrade adjacent frontage roads, including Alondra Blvd. The 57-year-old Alondra Bridge is being  reconstructed and widened from a four-lane to a six-lane bridge, with three lanes in each direction, and will also be longer to accommodate a wider Interstate 5.

The motoring public, residents and businesses are encouraged to sign-up for regular notification on street, lane and ramp closures by calling the toll-free I-5 South Corridor Improvement Projects Hotline (855) 454-6335 or visiting

Los Angeles Triathlon: Full Closure of Westbound Venice Blvd. (SR-187)

News Release
Date:                September 27, 2013
District 7:         Los Angeles & Ventura counties

Contact:           Public Affairs
Phone:             (213) 897-3656




Los Angeles - The California Department of Transportation (Caltrans) will fully close the westbound lanes of Venice Boulevard (SR-187) between Interstate 405 (I-405) and Interstate 10 (I-10) on Sunday, September 29 from 5 a.m. to 1 p.m.

The following ramps will be fully or partially closed during this time:

Southbound I-405 off-ramp at Venice Boulevard - one lane closed
Eastbound I-10 off-ramp at La Cienega Boulevard - full closure
Westbound I-10 off-ramp at Venice Boulevard - two lanes closed
Southbound I-110 off-ramp at Olympic Boulevard - two lanes closed
Southbound I-110 off-ramp at 6th Street - full closure

Northbound I-110 off-ramp at 6th Street - full closure
Caltrans issued an encroachment permit for the Los Angeles Triathlon. Expect delays in these areas.  Signs will be posted for motorists’ convenience.  Please Slow for the Cone Zone.

# # # #

Southbound I-5 Night Closures in Arleta, Sept. 29 – Oct. 3

During the nights of September 29 through October 3, 2013, crews will mobilize equipment needed to construct the foundation of the new I-5/SR-170 HOV connector. (More info about the project is here.) For the safety of motorists, this work requires night closures of the I-5/SR-170 connector between Sheldon Street and Branford Street. Additionally, the westbound and eastbound Roscoe Boulevard on-ramps to northbound SR-170 will be closed. Details:


Northbound I-5/SR-170 connector between Sheldon Street and Branford Street
Westbound Roscoe Boulevard on-ramp to northbound SR-170
Eastbound Roscoe Boulevard on-ramp to northbound SR-170


Sunday night, September 29, through Friday morning, October 4, 2013


Sunday night into Monday morning 11 p.m. to 4 a.m. 
Monday through Thursday – 11:59 a.m. to 5 a.m. (Nights only, no day closures.)

Here’s the map:

Questions? Check out or call us on the toll-free I-5 Info Line.