The Highway Performance Monitoring System. What is HPMS?. National highway transportation system database Data on highway conditions, performance, and usage Analytical products such as VMT estimation Primary source of information for distributing Federal-aid funds. What is HPMS?.
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The Highway Performance Monitoring System
Contains data on our Nation’s highways
… any road or street owned and maintained by a public authority … open to public travel … available, except during scheduled periods, extreme weather or emergency conditions, passable by four-wheel standard passenger cars, and open to the general public for use without restrictive gates, prohibitive signs …
“Status of the Nation’s Highways, Bridges, and Transit: Conditions & Performance”
Due June 1:
Due June 15:
Information on travel, system length, pavement data, vehicle classification by functional system and area type, in addition to land area and population by area type.
Stratified “random” sample of
physical roadway sections
Stratified based on:
Traffic data (AADT) was only required in HPMS for Principal Arterials, NHS, and Samples
AADT is now required for all Federal Aid eligible roads (STP-based on FC, and NHS)
Must develop estimates for missing AADT counts
VMT estimation is now a straight calculation
– Selected Facts & figures”
Vehicle Miles of Travel (VMT)
HPMS VMT Estimates
What is VMT?
= AADT x segment length
Sm. Urban: 395
Percent FA with counts
Old rate: -0.2%
New rate: -1.6%