# COMAR Title 11 — Department of Transportation

## Subtitle 04 — State Highway Administration

### Chapter 19 — Vehicle Equipment—Portable Variable Messaging Signs—Authorization

#### Regulation .01 Definitions.

*COMAR 11.04.19.01*

A. In this chapter, the following terms have the meanings indicated.

B. Terms Defined:

  (1) “MdMUTCD” means the Maryland Manual on Uniform Traffic Control Devices for Streets and Highways adopted in Transportation Article, §25-104, Annotated Code of Maryland.

  (2) “Portable variable messaging sign”, also referred to as a “portable changeable message sign” in the MdMUTCD, means a sign that is capable of displaying more than one message, of which one message may be a blank display, and that is changeable manually, by remote control, or by automatic control.

  (3) “Tow truck” has the meaning stated in Transportation Article, §13-920, Annotated Code of Maryland.
