Driver Behavior and Performance in High-to-Low Speed Transition Zones

Srinivasan, Raghavan; Chakraborty, Meghna; Vann, Mike; Saleem, Taha; Lan, Bo

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Driver Behavior and Performance in High-to-Low Speed Transition Zones

2023-11-01
By Srinivasan, Raghavan ; Chakraborty, Meghna ; Vann, Mike ; ...

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English

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Creators:

Srinivasan, Raghavan ; Chakraborty, Meghna ; Vann, Mike ; Saleem, Taha ; Lan, Bo
Corporate Creators:

University of North Carolina at Chapel Hill. Highway Safety Research Center
Corporate Contributors:

North Carolina. Department of Transportation. Research and Analysis Group
Subject/TRT Terms:

Driver Performance Driving Behavior INRIX Regression Analysis Speed Change Lanes Speed Data Speed Limits Transition Curves Transition Zones
Publication/ Report Number:

NCDOT/NC/2020-28
Resource Type:

Tech Report
Geographical Coverage:

United States ; North Carolina
Edition:

Final Report (Aug. 2019 to May 2023)
Corporate Publisher:

North Carolina. Department of Transportation. Research and Analysis Group
Abstract:

This study compiled site characteristics from 338 transition zones in North Carolina. Out of these locations, speed data were compiled from 50 locations (for 37 locations, speed data were compiled in the field; for the remaining 13 locations, INRIX was used to compile the data). These 50 locations represented 9 different categories of speed limit transitions. Regression models were estimated to examine the relationship between the change in speed and site characteristics including the reduction in the speed limit. For all the speed limit transition categories, the average speeds after the transition were higher than the after-transition speed limits. Speed compliance was generally better for roads with more than 2 lanes that are in lower speed limit categories. The regression models indicated that transition zones with divided facilities and changes in land use to more developed areas could be associated with a larger reduction in speed after the transition.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:6ff962b29c0dd0ad4cd9e54d045cc4b17ee8f2b1d8a19489d277194a1761bd64db70b2a5c5b33480f2ecff47dda5edb4e8aa6758f9cafd1823c0fc100ea65087
Download URL:

https://rosap.ntl.bts.gov/view/dot/88394/dot_88394_DS1.pdf
File Type:

[PDF - 10.48 MB ]

File Language:

English

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