February 17, 2020
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  • 1:14 pm Video Report: MoDOT Produces Multi-Lingual Safety Message
  • 1:11 pm PennDOT Nears Completion of Rapid Bridge Replacement Project
  • 1:08 pm Infrastructure Grants Awarded to “Smaller” South Dakota Communities
  • 11:32 am President’s FY 2021 Budget Proposes $1T of Total Infrastructure Investment
  • 11:31 am Safety, Reliability Key Issues at Autonomous Vehicle Hearing
  • 11:26 am Improving Railroad Crossing Safety Focus of House Hearing
  • 11:22 am Trump Administration Issues PNT Policy for Critical Infrastructure
  • 11:19 am FTA Offering New Grant Funding for Transit Bus, Ferry Projects

The California Department of Transportation and California Highway Patrol are working together on a new effort dubbed “Operation Snowflake” that enhances protection for motorists when heavy snow limits or blocks use of the Interstate 5 corridor in northern Los Angeles County that passes through the 4,144-foot Tejon Pass summit; a section of highway known as the “Grapevine” that carriers average daily traffic of 83,000 vehicles.

That new effort centers on a median gate installed last year that can swing open on I-5 at Castaic in Los Angeles County to turn around northbound motorists to southbound lanes. If forecasters predict heavy snow will drop to 4,500 feet or lower, Caltrans said in a statement that it coordinates with the CHP to activate an alert system that calls for maintenance crews to work around-the-clock to keep the highway open and determine if the highway needs to be closed.

If a closure is ordered, Caltrans blocks off the northbound I-5 lanes at Lake Hughes Road at Castaic and the southbound I-5 lanes at Grapevine Road in Kern County by lowering the gate

editor@aashto.org

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