United States Department of Transportation

General

Legacy ID

201

Subscribe to General

Figure 2 Number of KAB Crashes on Rural, 2-Lane, Low-Volume, On-System Roads in Each Texas County: 1999

Figure 2 Number of KAB Crashes on Rural, 2-Lane, Low-Volume, On-System Roads in Each Texas County: 1999

Excel | CSV | Table Version

Total = 4,824 crashes

Note: Low-volume roads refer to road segments...

Figure 7 Proportion of KAB Crashes1 that Occurred Under Wet Pavement Conditions for Each County: 1999

Figure 7 Proportion of KAB Crashes1 that Occurred Under Wet Pavement Conditions for Each County: 1999

Excel | CSV | Graphic Version

In percent; averaged over 6 neighboring counties

TxDOT COUNTY # COUNTY NAME Longitude X Latitude Y Wet% 1 ANDERSON...

Figure 4 "Raw" Annual KAB Crash in Crashes per MVMT by County: Highest, Lowest, and Average Rates, 1992-1999

Figure 4 "Raw" Annual KAB Crash in Crashes per MVMT by County: Highest, Lowest, and Average Rates, 1992-1999

Excel | CSV | Table Version

On rural, 2-lane, low-volume, on-system roads

County average (8 years) = 0...

Figure 8 Proportion of KAB Crashes1 that were Intersection, Intersection Related, or Driveway Access Related for Each County: 1999

Figure 8 Proportion of KAB Crashes1 that were Intersection, Intersection Related, or Driveway Access Related for Each County: 1999

Excel | CSV | Graphic Version

In percent

TxDOT COUNTY # COUNTY NAME Longitude X Latitude Y Inters+Int_Rel+Drwy% 1...

Figure 10 Estimated KAB Crash Rates1 in Crashes per MVMT by County from Model 27: 1999

Figure 10 Estimated KAB Crash Rates1 in Crashes per MVMT by County from Model 27: 1999

Excel | CSV | Table Version

97.5 percentile, mean, and 2.5 percentile of the posterior density

The diameter of the dark outer circle represents...

Figure 4 "Raw" Annual KAB Crash in Crashes per MVMT by County: Highest, Lowest, and Average Rates, 1992-1999

Figure 4 "Raw" Annual KAB Crash in Crashes per MVMT by County: Highest, Lowest, and Average Rates, 1992-1999

Excel | CSV | Graphic Version

On rural, 2-lane, low-volume, on-system roads

TxDOT COUNTY # COUNTY NAME Longitude X Latitude Y...

Figure 11 Locations of KAB Crashes on the State-Maintained Highway Network of a Texas County in 1999

Figure 11 Locations of KAB Crashes on the State-Maintained Highway Network of a Texas County in 1999

Roadway Traffic Crash Mapping: A Space-Time Modeling Approach

Roadway Traffic Crash Mapping: A Space-Time Modeling Approach

Shaw-Pin Miaou* Texas Transportation Institute Joon Jin Song* Bani K. Mallick* Texas A&M University

ABSTRACT

Mapping transforms spatial data into a visual form, enhancing the ability of users to observe,...

Figure 7 Proportion of KAB Crashes1 that Occurred Under Wet Pavement Conditions for Each County: 1999

Figure 7 Proportion of KAB Crashes1 that Occurred Under Wet Pavement Conditions for Each County: 1999

Excel | CSV | Table Version

In percent; averaged over 6 neighboring counties

County average (8 yrs) = 13% County average (1999) =...

Figure 1 Georgraphic Districts, Counties, and Urbanized Areas in Texas

Figure 1 Georgraphic Districts, Counties, and Urbanized Areas in Texas

Note: The Texas Department of Transportation has 25 geographic districts; each district contains 6 to 17 counties, and gray areas show urbanized area contained in each...