Crash prediction models have been very popular in highway safety analyses. However, in highway safety research, the prediction of outcomes is seldom, if ever, the only research objective when estimating crash prediction models. Only very few existing methods can be used to efficiently predict motor vehicle crashes. Thus, there is a need to examine new methods for better predicting motor vehicle...

Erratum After publication of the original article [1], the corresponding author (DF Murgatroyd) noticed that her name was inadvertently duplicated at the beginning and end of the author list. Similarly, the affiliation of this author (John Walsh Centre for Rehabilitation Research, The University of Sydney) had been duplicated as affiliations 1 and 5. The original article has been updated to cor...

It has been referred in document issued by the State Council recently that China will promote the block system gradually in the future, no more enclosed residential compounds will be built in principle, and existing residential and corporate will open up step by step as well. The proposal of open area quickly aroused a heated discussion in the whole society. In addition to the most basic securi...

OBJECTIVE We explored drivers' mobile device use and its associated risk of a safety-critical event (SCE) in specific driving contexts. Our premise was that the SCE risk associated with mobile device use increases when the driving task becomes demanding. METHODS Data from naturalistic driving studies involving commercial motor vehicle drivers and light vehicle drivers were partitioned into su...

UNMIX and Positive Matrix Factorization (PMF) solutions to the Chemical Mass Balance (CMB) equations were applied to chemically speciated PM2.5 measurements from 23 sites in California's San Joaquin Valley to estimate source contributions. Six and seven factors were determined by UNMIX for the low_PM2.5 period (February to October) and high_PM2.5 period (November to January), respectively. PMF ...

This study examined the effectiveness of 3 different training types on commercial motor vehicle (CMV) drivers' skill levels. The training types included a conventional 8-week certified course, a conventional 8-week certified course with approximately 60% of driving time spent in a CMV driving simulator, and a Commercial Driver's License (CDL) test focused short course. Participants' scores on t...

STUDY OBJECTIVES To assess the effects of delayed high-school start times on sleep and motor vehicle crashes. METHODS The sleep habits and motor vehicle crash rates of adolescents from a single, large, county-wide, school district were assessed by questionnaire before and after a 1-hour delay in school start times. RESULTS Average hours of nightly sleep increased and catch-up sleep on weeke...

OBJECTIVE To investigate differences in the incidence of motor vehicle crashes (MVCs) and violations among drivers with multiple sclerosis (MS) when cognitive impairment is present. DESIGN Archival evaluation of Department of Motor Vehicles (DMV) records. SETTING Medical rehabilitation research organization. PARTICIPANTS Community-dwelling drivers, 27 subjects with documented MS (14 MS wi...

OBJECTIVES To examine differences in motor vehicle and fall related death rates among older adults by sex, race, and ethnicity. METHODS Annual mortality tapes for 1990-98 provided demographic data including race and ethnicity, date, and cause of death. Trend analyses were conducted using Poisson regression. RESULTS From 1990-98, overall motor vehicle related death rates remained stable whil...