The NPMRDS offers a free data source to State and Local transportation agencies for monitoring and reporting transportation system performance measures, as well as for setting and meeting mobility objectives and targets. Data Providers: INRIX, TomTom, HERE
Funded By: FHWA
Purpose: Support MAP-21 regulation and ongoing transportation system mobility performance measurement
Users: Federal, State, and regional agencies
Data Source: Probe vehicles
Metrics: Speed, travel time, and static AADT (2017)
Data Latency: One-month old
Lowest Temporal Resolution: 5 minutes
Spatial Resolution: TMC level (about ½ mile to 1 mile in urban/suburban areas and 5-10 miles in rural areas)
Geographical Coverage: NHS
Modal Coverage: Truck and passenger car Data Format: CSV and ArcGIS shapefiles (road segment details)
