[HTML][HTML] A review of the state-of-the-art methods in estimating crash modification factor (CMF)

MN Al-Marafi, K Somasundaraswaran - Transportation research …, 2023 - Elsevier
Road authorities and road safety experts are involved in estimating the expected outcomes
from road safety treatments. Information derived from proposed treatments enables planners …

Develo** crash modification functions to assess safety effects of adding bike lanes for urban arterials with different roadway and socio-economic characteristics

J Park, M Abdel-Aty, J Lee, C Lee - Accident Analysis & Prevention, 2015 - Elsevier
Although many researchers have estimated crash modification factors (CMFs) for specific
treatments (or countermeasures), there is a lack of studies that explored the heterogeneous …

Develo** safety performance functions and crash modification factors for urban roundabouts in heterogeneous non-lane-based traffic conditions

VS Vinayaraj, V Perumal - Transportation research record, 2023 - journals.sagepub.com
This study aims to develop safety performance functions (SPFs) and crash modification
factors (CMFs) for the safety assessment of roundabouts as a whole and their components …

Use of empirical and full Bayes before–after approaches to estimate the safety effects of roadside barriers with different crash conditions

J Park, M Abdel-Aty, J Lee - Journal of safety research, 2016 - Elsevier
Introduction Although many researchers have estimated the crash modification factors
(CMFs) for specific treatments (or countermeasures), there is a lack of prior studies that have …

[HTML][HTML] Develo** crash modification factors for roundabouts using a cross-sectional method

MN Al-Marafi, K Somasundaraswaran… - Journal of traffic and …, 2020 - Elsevier
The objective of the current study was to evaluate traffic and geometric features and their
influences on the safety performance of roundabouts by develo** suitable crash …

Evaluating the safety impact of increased speed limits on rural highways in British Columbia

T Sayed, E Sacchi - Accident Analysis & Prevention, 2016 - Elsevier
Maximum speed limits are usually set to inform drivers of the highest speed that it is safe and
appropriate for ideal traffic, road and weather conditions. Many previous studies were …

Assessment of safety effects for widening urban roadways in develo** crash modification functions using nonlinearizing link functions

J Park, M Abdel-Aty, JH Wang, C Lee - Accident Analysis & Prevention, 2015 - Elsevier
Since a crash modification factor (CMF) represents the overall safety performance of specific
treatments in a single fixed value, there is a need to explore the variation of CMFs with …

Investigating the effects of mental workload on highway safety

K Habib, A Shalkamy… - Transportation research …, 2019 - journals.sagepub.com
The majority of vehicle collisions occur because of human error; in fact, studies have shown
that approximately 95% of collisions are caused, at least in part, as a result of human …

Safety performance functions for rural road segments and rural intersections in Michigan

T Gates, P Savolainen, R Avelar, S Geedipally, D Lord… - 2018 - rosap.ntl.bts.gov
This study involved the development of safety performance functions (SPFs) for rural road
segments and intersections in the state of Michigan. The facility types included two-lane and …

Time series trends of the safety effects of pavement resurfacing

J Park, M Abdel-Aty, JH Wang - Accident Analysis & Prevention, 2017 - Elsevier
This study evaluated the safety performance of pavement resurfacing projects on urban
arterials in Florida using the observational before and after approaches. The safety effects of …