When a CMS changes phase, all units of information should change. If the first line of a message does not change, the entire message takes longer to read, and there is a risk that drivers will miss …

In July, 1995, a formal policy was adopted by the North Carolina Department of Transportation, outlining the use of changeable message signs (CMS), both permanent and portable.

The technical capability required to maintain a rotary drum, changeable -message sign is no more sophisticated than that required to maintain a simple electrical home appliance such as a 110-V …

A changeable message sign (CMS) is a traffic control device with the flexibility to display a variety of messages. Thus a CMS can be adapted to the needs of work zone traffic control as conditions …

Sep 1, 2012 · 121, DELETE AND INSERT AS FOLLOWS: Each construction sign, barricade, temporary worksite speed limit sign assembly, temporary portable changeable message sign, or flashing arrow …

CMS Operation and Messaging Handbook – a document developed as part of the Transportation Management Center Pooled-Fund Study (TMC PFS) Changeable Message Sign Operations and …

The provisions in this Chapter apply to both permanent and portable changeable message signs with electronic displays. Additional provisions that only apply to portable changeable message signs can …