Women’s Issues in Transportation: Summary of the 4th International Conference, Volume 2: Technical Papers (2011) / Chapter Skim
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12 Spatial Variation in Motor Vehicle Crashes by Gender in the Houston, Texas, Metropolitan Area Ned Levine, Ned Levine & Associates This study examines spatial variation in motor vehicle crashes by gender within the Houston, Texas, metropolitan area. Examination of data on 252,240 crashes that occurred in the Houston metropolitan area between 1999 and 2001 showed that substantial behavioral differences between male and female drivers contributed to the crashes.
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13SPATIAL VARIATION IN MOTOR VEHICLE CRASHES BY GENDER erature. First, there is the number of driver's licenses issued for men and women as a simple indicator of ability to drive.
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14 wOMEN'S ISSUES IN TRANSPORTATION, VOLUME 2 Therefore, two hypotheses are proposed to partially explain differences in crash likelihoods between men and women: 1. There are spatial differences in the crash likelihoods of men and women.
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15SPATIAL VARIATION IN MOTOR VEHICLE CRASHES BY GENDER Spatial Analysis Spatial analysis was conducted for three geographical levels: 1. The metropolitan area by individual crashes.
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16 WOMEN'S ISSUES IN TRANSPORTATION, VOLUME 2 average)
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18 wOMEN'S ISSUES IN TRANSPORTATION, VOLUME 2 5-mi radius of downtown Houston, and 31% of fatalities and 47% of injuries occurred within a 10-mi radius (out of a 40-mi radius for the region)
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19SPATIAL VARIATION IN MOTOR VEHICLE CRASHES BY GENDER crashes at the more suburban and rural parts of the area are, however, a function of other factors (probably increased speeds and an absolute predominance of adult males over adult females in three of the seven suburban counties)
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20 WOMEN'S ISSUES IN TRANSPORTATION, VOLUME 2 In other words, these data indicate that while men are more likely to be involved in crashes on all road types, women are proportionately more likely to be involved in crashes on principal or minor arterial roads and much less likely to be involved in crashes on freeways. This is consistent with the general travel patterns of women making shorter, but more frequent trips than men.
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21SPATIAL VARIATION IN MOTOR VEHICLE CRASHES BY GENDER additional factors in exponential form. Note that there is no coefficient of the exposure variable (i.e., it is 1.0)
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22 WOMEN'S ISSUES IN TRANSPORTATION, VOLUME 2 frequently found in the literature (Frantzeskakis and Iordanis 1987; Zhou and Sisiopiku 1997)
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23SPATIAL VARIATION IN MOTOR VEHICLE CRASHES BY GENDER that included all functional road types and one with only freeway and collector road segments included. The same variables that predict crash risk also predict the male-to-female crash ratio.
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24 wOMEN'S ISSUES IN TRANSPORTATION, VOLUME 2 the central city. The two types of trips are not identical, even if their distance may be the same.
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25SPATIAL VARIATION IN MOTOR VEHICLE CRASHES BY GENDER Accident Analysis & Prevention, Vol.
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