List of Abbreviations
AADT Annual average daily traffic
FHWA
Federal Highway Administration
KSI
Killed or serious injury
mph
Miles per hour
NCHRP
National Cooperative Highway Research Program
NHTSA
National Highway Traffic Safety Administration
RTZ
Road to Zero
SLS
Speed limit setting
SSC
Speed safety camera
TCD
Traffic control device
TxDOT
Texas Department of Transportation
USLIMITS2 United Stated Limits 2
VRU
Vulnerable road users
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