Construction Alert:

Heavy Lifting for SR 160/4 Connector Ramps

These giant rebar cages, weighing the equivalent of 70 cars, will form the foundations of SR 160/4 Connector Ramps. See how our crews got them into the ground. Learn more

Photos of Construction Progress

Check out our Media page for some amazing photos of current construction progress. Photos are added regularly, so check back often!

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Why Highway 4?

What do the Highway 4 corridor improvements mean for the people of East County? Watch our video interview with Randy Iwasaki, CCTA Executive Director, to learn more.

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Tweets from @4eastcounty

  • 1 lane in each direction of Lone Tree Way will be closed b/t Canada Valley Rd and Jeffery Way tomorrow from 9am-3pm.
  • Please visit http://t.co/V1PnXDuiOV for more information and detour maps.
  • There will be lane closures in the WB direction b/t Contra Loma Blvd and Loveridge Rd tomorrow from 11am until 4am the following morning.
  • All directions of Lone Tree Way will be closed b/t the Hwy4 on- and off-ramps tonight from 10pm-5am.
  • 1 or more WB lanes will be closed b/t Cavallo Rd and the SR160 connector tonight from 10pm-4am. At least 1 lane will remain open.
  • 1 or more EB lanes will be closed b/t Cavallo Rd and the SR160 connector tonight from 11pm-6am. At least 1 lane will remain open.
  • All EB lanes will be closed b/t the on- and off-ramps at Hillcrest Ave tonight from 11:59pm-5am.
  • All WB lanes will be closed b/t the on- and off-ramps at Hillcrest Ave tonight from 11pm-3am.
  • 1 or more EB lanes will be closed b/t the SR160 connector and Laurel Rd tonight from 8pm-11am. At least 1 lane will remain open.
  • 1 or more WB lanes will be closed b/t the SR160 connector and Laurel Rd tonight from 8pm-5am. At least 1 lane will remain open.

Traffic Updates

Traffic Updates

Check here for up-to-date information on ramp, lane, and full freeway closures and other traffic impacts during construction.

 

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