TRB's National Cooperative Highway Research Program (NCHRP) Report 624: Selection and Application of Warning Lights on Roadway Operations Equipment explores recommended guidelines for the selection and application of warning lights on roadway operations equipment.
Appendixes A through E to NCHRP Report 624 are available online. The appendixes contain detailed information on relevant literature, the experiments performed, and data analysis associated with NCHRP Report 624.
National Academies of Sciences, Engineering, and Medicine. 2008. Selection and Application of Warning Lights on Roadway Operations Equipment. Washington, DC: The National Academies Press. https://doi.org/10.17226/14190.
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