Application of Dynamic Lane-Use Control: Proposed Practices (2022) / Chapter Skim
Currently Skimming:
Pages 38-44
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 38... ...
38 C H A P T E R 5 Literature Review Summary The earliest human factors studies of DLUC signals included a wide variety of signs consisting of symbols and/or legends. However, research by Forbes et al.
|
From page 39... ...
Identification of Research Questions 39 a key operational goal for many ATM applications. Some agencies are using an advisory speed limit to communicate this message while others use some form of a caution message either in text or with a downward yellow arrow.
|
From page 40... ...
40 Application of Dynamic Lane-Use Control: Proposed Practices Other attempts to improve comprehension have used static signs that explain the symbols. These signs may be placed at the beginning of an ATM section or strategic locations throughout an ATM corridor.
|
From page 41... ...
Identification of Research Questions 41 the "Vacate Lane" message is shown as a transition from the "Lane Open" green arrow status to the "Lane Closed" red X status. Some agencies are considering using a flashing, down yellow arrow immediately before the transition from a green arrow to a red X for shoulder lane operations.
|
From page 42... ...
42 Application of Dynamic Lane-Use Control: Proposed Practices Some European applications use an exclamation point to convey this message. This symbol is used increasingly on product warning labels in the United States and may be well understood for this application.
|
From page 43... ...
Identification of Research Questions 43 hension was separated from compliance as a research question following the Interim Panel Meeting.) Sign Legibility and Symbol Design The MUTCD sets performance targets for DLUC signal color identification at 2,300 ft (Section 4M.03 Paragraph 06)
|
From page 44... ...
44 Application of Dynamic Lane-Use Control: Proposed Practices Table 3. Research questions considered and included in the project.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.