| GCat | Policy and Organization |
| MCat | Data Analysis |
| SCat | State Traffic Data |
Transportation Statistics and Data, including highway traffic reports, performance monitoring, and other road-based data by state.
Find Data Analysis / State Traffic Data in
Hot Topics: Travel Demand
Professional Guides: TDM - Transportation Demand Management
AR - Arkansas Annual Average Daily Traffic Estimates [32375] 
Traffic counts on Arkansas roads and highways for the year 2000
AZ - Arizona Highway Data - HPMS [32371]
Arizona Highway Performance Monitoring System - Reports and Statistics 1976 - current
National Traffic Scorecard [35206]
Impact of changing fuel costs on traffic and consumer driving habits.
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US Government Data
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