2012 CMS Manual of Practice

The guidelines in this document were developed at the request of Minnesota Department of Transportation  (MnDOT) to improve the operation and effectiveness of the MnDOT changeable message signs (CMS) system. These protocols and procedures were developed following extensive review of national standards as well as the practices of numerous states.   It is intended to be used as a guide for MnDOT internal stakeholders and external stakeholders, including other agencies and private contractors.