Office of Operations
21st Century Operations Using 21st Century Technologies

Freight Mobility Trends Report 2019

LIST OF ACRONYMS

ACRONYM DEFINITION
AADT average annual daily traffic
AADTT average annual daily truck traffic
BI buffer index
BTS Bureau of Transportation Statistics
DOT department of transportation
DPM delay per mile
FAF Freight Analysis Framework
FHWA Federal Highway Administration
FMT Freight Mobility Trends
HPMS Highway Performance Monitoring System
MAP-21 Moving Ahead for Progress in the 21st Century Act
MPO metropolitan planning organization
NHFN National Highway Freight Network
NHS National Highway System
NPMRDS National Performance Management Research Data Set
PHFS Primary Highway Freight System
PTI planning time index
STRAHNET Strategic Highway Network
TEUs twenty-foot equivalent units
TMC Traffic Message Channel
TRI truck reliability index
TSI transportation services index
TTI travel time index
TTTR truck travel time reliability
TVMT truck vehicle miles of travel
UP Union Pacific
USDOT U.S. Department of Transportation
Office of Operations