Permitted movements of oversize and overweight (OS/OW) loads traditionally occur during the daytime on weekdays to allow for adequate staffing support and safety-focused practices. Due to increases in traffic congestion, safety concerns over fleet mixes, and other factors, many states began allowing or requesting those movements to occur during off-peak traffic hours, including nights and weekends.
The TRB National Cooperative Highway Research Program's NCHRP Synthesis 572: Night and Weekend Movement of Oversize/Overweight Loads presents the state of the practice for regulating night and weekend movement of OS/OW loads among state departments of transportation.
National Academies of Sciences, Engineering, and Medicine. 2021. Night and Weekend Movement of Oversize/Overweight Loads. Washington, DC: The National Academies Press. https://doi.org/10.17226/26311.
Chapters | skim | |
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Front Matter | i-viii | |
Summary | 1-1 | |
Chapter 1 - Introduction | 2-3 | |
Chapter 2 - Literature Review | 4-10 | |
Chapter 3 - Survey Results | 11-30 | |
Chapter 4 - Case Example Follow-up Interviews | 31-34 | |
Chapter 5 - Conclusions | 35-36 | |
References | 37-37 | |
Appendix - Survey Questions | 38-60 |
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