Managing Speed
Managing Speed

Author:

Publisher: Transportation Research Board

Published: 1998

Total Pages: 444

ISBN-13: 9780309065023

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TRB Special Report 254 - Managing Speed: Review of Current Practices for Setting and Enforcing Speed Limits reviews practices for setting and enforcing speed limits on all types of roads and provides guidance to state and local governments on appropriate methods of setting speed limits and related enforcement strategies. Following an executive summary, the report is presented in six chapters and five appendices.

Safety Impacts and Other Implications of Raised Speed Limits on High-speed Roads
Safety Impacts and Other Implications of Raised Speed Limits on High-speed Roads

Author: Kara Kockelman

Publisher:

Published: 2006

Total Pages: 16

ISBN-13:

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TRB's National Cooperative Highway Research Program (NCHRP) Research Results Digest 303: Safety Impacts and Other Implications of Raised Speed Limits on High-Speed Roads explores the effects of raised speed limits from 55 miles per hour or greater on freeways and non-freeways in rural and urban settings. The effects considered included impacts on safety and operations, as well as socioeconomic and environmental effects. The full report is available on the TRB website as NCHRP Web-Only Document 90.

Safety Effects of Raising Speed Limits to 75 Mph and Higher
Safety Effects of Raising Speed Limits to 75 Mph and Higher

Author:

Publisher:

Published: 2022

Total Pages: 0

ISBN-13:

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Across the United States, maximum speed limit laws vary dramatically. In the mid-1990s, many states increased speed limits to 75 mph on select roads. More recently, some states have established speed limits greater than 75 mph. The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 328: Safety Effects of Raising Speed Limits to 75 mph and Higher is supplemental to NCHRP Research Report 1006: Guide to Understanding Effects of Raising Speed Limits.

Guide to Understanding Effects of Raising Speed Limits
Guide to Understanding Effects of Raising Speed Limits

Author: Karen Dixon

Publisher:

Published: 2022

Total Pages: 0

ISBN-13: 9780309687379

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Over the past decade, there has been a trend toward higher speed limits, especially on rural interstates and freeways. Eleven states have increased speed limits to 75 mph, with some of them raising the limit as high as 85 mph on freeways and 75 mph on other roads. The TRB National Cooperative Highway Research Program's NCHRP Research Report 1006: Guide to Understanding Effects of Raising Speed Limits provides a better understanding of the expected safety implications of increasing speed limits to 75 mph or higher. Supplemental to the report are a presentation and NCHRP Web-Only Document 328: Safety Effects of Raising Speed Limits to 75 mph and Higher.