What does CMS stand for?

Caltrans spokeswoman Rochelle Jenkins said changeable message signs will be placed along the highway to alert motorists of the closure and detours.

Public outreach plan including dissemination of critical information to the public via Changeable Message Signs (CMS), static signs, the department's Web site, and a toll-free number.

For a work zone on high-speed roadways and divided highways, a supplemental, portable changeable message sign displaying a one-phrase message (such as left lane closed) should be located upstream of the lane closure (FHA, 2001).

That same street congestion data could also be displayed routinely on changeable message signs in word format.

Traffic Management San Diego's traffic management plan will provide information to motorists through the use of 15 changeable message signs that display up-to-date traffic information; underpavement detectors installed on freeway lanes to identify locations of traffic congestion; closed-circuit television located at major interchanges to aid in the assessment of traffic tie-ups; a ramp metering system installed at 170 additional locations in the county; and an increased use of in-vehicle computers.

The interactive map will display travel times on major highways, changeable message signs, as well as display incidents and SigAlerts as reported by the California Highway Patrol.

which will call MDOT radio room for personnel to activate a changeable message sign on I-295, County Communications Director Tim Pellerin said.

Changeable message signs are one way that transportation agencies alert drivers to new circumstances, and designing the messages so that drivers can easily understand them is important.