Intermittent Park, Street & Freeway Closures and Helicopter Activity during the Final Phase of Edison TRTP

As Southern California Edison wraps up its close to four year segment of the Tehachapi Renewable Transmission Project (TRTP) in Duarte, residents will experience some intermittent park, street and freeway closures with helicopter activity.
Beginning July 21 and continuing through August 8, 2014, project crews will be installing new wires on the existing transmission towers in the utility easement within the Edison property/easement between Tocino Drive and Greenbank Avenue, within Hacienda Park and the Rancho Duarte Golf Course to south of the 210 freeway in Irwindale. The anticipated construction hours during the project will typically be from 7:00 am to 7:00 pm., Monday through Saturday.
During this time, residents can expect to see from time to time a small helicopter that will be used to position equipment and personnel throughout the project area. Increased noise can be anticipated due to the helicopter’s hovering activities.
Hacienda Park will also be closed completely during working hours on July 23 through the 25th and then again from July 27 to the 30th. Intermittent park closures will occur on July 21 and 22nd and again on July 26th.
During the project’s entirety, there will also be periods of brief traffic interruptions and street/freeway closures on Royal Oaks Dr., Hacienda Dr., Encanto Parkway, Huntington Drive and the 210 freeway as well. Periodic traffic interruptions will be typically three to five minutes in length. Edison has filed a traffic plan with the City utilizing a variety of traffic control measures including signs and crewmembers carrying flags. Note: Intermittent closures on the 210-freeway will occur between 5:00 am and 9:00 am on Sunday, July 27th only.
This is being done as part of the final phase of work for Edison’s Tehachapi Renewable Transmission Project. Once completed in 2015, the project will deliver electricity from wind energy generators in Kern County south through Los Angeles County and east to San Bernardino County to help meet California’s 20% renewable energy goals.
Edison has been informing the community in a variety of ways about the project through mailings and door-to-door outreach. In addition, there is also a link on the website that opens to a Duarte Construction Information page where residents can view up to the minute construction updates throughout the duration of the project. Residents and businesses also have the opportunity to sign up to receive email construction alerts. For more information about the Tehachapi Renewable Transmission Project (TRTP), please call (877) 795-8787 or visit

July 17, 2014

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