Application of Dynamic Lane-Use Control: Proposed Practices (2022) / Chapter Skim
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Pages 79-83
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From page 79... ...
79 C H A P T E R 8 Summary This project examined DLUC signals for freeway ATM applications such as incident management, part-time shoulder-use, and speed harmonization. Current MUTCD guidance and standards on lane-use control signals are based on arterial street applications.
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From page 80... ...
80 Application of Dynamic Lane-Use Control: Proposed Practices The results also indicate that if an agency wishes to use the currently approved MUTCD yellow X symbol to convey impending lane closure, adding a text legend to the display indicating the distance to the lane closure point is recommended. Practitioners should consider implementation issues with using text in addition to a symbol, especially on smaller CMS panels because adding text makes the symbol smaller.
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From page 81... ...
Summary and Conclusions 81 e research team feels that this new DLUC signal information needs to be considered in the broader context of tra c control devices for ATM operations. Other devices would include pavement markings, speed limit signs, preferential lane-use symbols, and temporary tra c control.
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From page 82... ...
82 Application of Dynamic Lane-Use Control: Proposed Practices Section 2X.02 Dynamic Lane-Use Control Symbols and Legends This section would present standards, options, and guidance statements concerning the following feature of lane-use control signs. Existing MUTCD language from Section 4M concerning placement and color would apply to these new sections.
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From page 83... ...
Summary and Conclusions 83 Devices to develop general guidance for electronic display boards in terms of brightness, pixel density, and symbol design. Topics on lane-use control symbols could be included in that larger research and standardization effort.
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