National Highway System
Traffic Speeds
Road Classification
1 — Interstate
2 — Freeways & Expressways
3 — Other Principal Arterial
4 — Minor Arterial
5 — Major Collector
6 — Minor Collector
7 — Local
Time of Day
AM
PM
Area
Urban
Rural
Vehicle Type
All
Passenger
Freight
Median Speed — Interstate, AM Hours, Urban, All Vehicles
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