Skip to main content

California DOT installs driver information signs

California DOT (Caltrans) is installing electronic message signs in an effort to prevent or reduce congestion on the heavily used Interstate 10. Vehicle detection systems have also been installed on the 133 mile stretch of freeway to monitor traffic. The detection systems monitor speed and traffic volume, processing the data and transmitting it to the freeway message signs to give motorists real-time journey time estimates. "Changeable message signs will allow us to deliver information directly to drivers
January 29, 2013 Read time: 2 mins
California DOT (3879 Caltrans) is installing electronic message signs in an effort to prevent or reduce congestion on the heavily used Interstate 10.  Vehicle detection systems have also been installed on the 133 mile stretch of freeway to monitor traffic.

The detection systems monitor speed and traffic volume, processing the data and transmitting it to the freeway message signs to give motorists real-time journey time estimates.

"Changeable message signs will allow us to deliver information directly to drivers before they encounter large traffic back-ups," said Caltrans district 8 director Basem Muallem. "Motorists will be able to take an alternate route to avoid long delays."

The systems were implemented as part of the state's obligations under the Interstate 10 Lifeline Emergency Action Plan.  The Board of Supervisors unanimously agreed in October to partner with the state and tribal governments on implementing the plan, inspired by a series of massive traffic jams on I-10 that left motorists stranded in the last several years, most recently in February 2012.

Caltrans spokeswoman Terri Kasinga said the detection systems' project had been under way since before last February's crunch, but state officials expedited it to meet the action plan goals.

"We are very pleased to see Caltrans move ahead with their pieces of the plan," said Juan Perez, director of the county's Transportation and Land Management Agency. "The traveller information projects will be completed by the end of this year with the larger freeway bypass projects coming later."

For more information on companies in this article

Related Content

  • Michigan pilots pedestrian safety signs
    August 21, 2015
    New crosswalk signs have been installed in installed several southwest Michigan cities as part of a joint research project by the Michigan Department of Transportation (MDOT) and Western Michigan University (WMU). The project involves testing the crosswalk signs as potential low-cost safety measures to increase pedestrian safety and motorist awareness. The signs are designed to be permanently affixed to the road but can be removed for the winter when snow removal is necessary. The signs will be removed i
  • California opts for IRD WIM
    November 29, 2013
    International Road Dynamics (IRD) announced today that it has received a US$1.6 million contract to provide a weigh-in-Motion (WIM) sorter system for a new commercial vehicle enforcement facility (CVEF) near Mountain Pass, California. This system will be used by enforcement personnel to select and direct commercial vehicles into the CVEF. IRD will supply an integrated system including its industry-leading single load cell (SLC) WIM scales and advanced iSINC controller electronics. A total of sixteen SLC
  • The role of GIS in climate change resiliency
    May 29, 2014
    Climate change will pose global and local challenges and that includes risks to the transportation infrastructure. Climate change adaptation and resiliency has captured the attention of the transportation community for some time now. Because transportation infrastructure is often designed to last for 30, 50, or 100 years or even longer, transportation professionals are concerned not only about the impact on our existing investments, but also how to design more durable transportation systems for the future
  • Øresund bridges the front line for border crossing traffic
    September 15, 2016
    Timothy Compston considers the challenges faced by the operators of the Øresund Bridge between Denmark and Sweden, the largest structure of its kind across Europe. In light of the concerns about the ongoing security threat and the unprecedented flow of migrants, many of the countries that make up the Schengen Area in Europe have re-introduced border controls. For its part, Sweden has rolled out ID checks for train, bus and ferry passengers from Denmark placing the landmark Øresund Bridge very much on the fr