MUTCD 11th Edition (2023)
Section 2L.01 — Description of Changeable Message Signs
Manual on Uniform Traffic Control Devices, Section 2L.01. Standards, guidance, options and support statements, with figures and cross-references.
Section 2L.01 Description of Changeable Message Signs Support: 01 A changeable message sign (CMS) is a traffic control device that is capable of displaying one or more alternative messages. Some CMS have a blank mode when no message is displayed, while others display multiple messages with only one of the messages displayed at a time (such as OPEN/CLOSED signs at weigh stations). 02 The provisions in this Chapter apply to both permanent and portable changeable message signs with electronic displays or the electronic display portion of an otherwise conventional static sign. Additional…
The rest of Section 2L.01 — Description of Changeable Message Signs is for members
You're reading the opening of Section 2L.01 — Description of Changeable Message Signs. Members see the complete text, every cross-reference and the tools on this page — free for 14 days, no card required.
- Full section text with Standard / Guidance / Option / Support labels
- Figures and tables referenced by this section
- Search across the whole MUTCD and every federal standard
- Ask Copilot about this section, with citations