Kimley > Horn
Memorandum
To :
From :
Josh Peterman , P . E ., RSP1 Fehr & Peers
Jeff Whitacre , P . E ., AICP , PTP Mason Shoaf , EIT Kimley-Horn and Associates , Inc .
Date : February 23 , 2024
Re :
Safe Streets Arlington – High-Injury Network Scoring and Screening Arlington , Texas
PURPOSE
Kimley-Horn has performed a crash analysis along the roadway network of the City of Arlington for the five-year period from 2018 to 2022 . The analysis used a hybrid approach to screening and scoring the roadway network by using crash frequency , total crash count , and critical crash rate methods .
The following memorandum outlines the data used in the crash analysis , along with the scoring and screening methodology that combine each analysis method .
CRIS CRASH DATA
Historic crash data from TxDOT ’ s Crash Records Information System ( CRIS ) database was used from the years 2018 to 2022 for the City of Arlington , which includes COVID years 2020 and 2021 . CRIS crash data uses a KABCO injury scale and in the development of the high-injury networks , Fatal Injury ( K ), Suspected Severe Injury ( A ), and Suspected Minor Injury ( B ) crashes were the injury types used . The following table summarizes the analyzed crashes by severity on the city roadway network :
Crash Severity
Vehicles / Motorcycles
Crash Count
Bicycle / Pedestrian
K - FATAL INJURY 98 27 A - SUSPECTED SERIOUS INJURY B - SUSPECTED MINOR INJURY
455 62
3,451 224
C - POSSIBLE INJURY 5,030 151 N - NOT INJURED 9,793 34 99 - UNKNOWN 1,669 0
TOTAL 20,496 498
APPENDIX A : HIGH INJURY NETWORK METHODOLOGY A-2