The MUTCD provides standards and guidance for the design of guide signs, from which a framework for multi-collection mode signing can be derived. Toll agencies have used this framework to make modifications to better relate toll collection aspects with guidance and control of traffic flow through a lane. MUTCD committees have been active in setting guidelines and standards for the use of CMS along freeways, which have applicability to toll facilities. Their efforts have resulted in proposed amendments to Chapter 2J addressing Changeable Message Signs.
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