Colorado Highway Traffic Counts With Vehicle Classifications

Annual average daily traffic data includes 15 distinct vehicle type percentages and capacity metrics for Colorado highways. The Colorado Department of Transportation collected and published this information for the 2023 calendar year. It covers traffic stations across the state, identified by COUNTSTATIONID.

Use Cases

• Model VCRATIO (volume-to-capacity ratio) using AADT (annual average daily traffic) and ROUTECAPAC (route capacity) to predict congestion hotspots.
• Classify ROADTERRAIN (e.g., flat, mountainous) based on traffic composition features like PCTDHSU (percent single-unit trucks) and AADTTRUCKS.
• Forecast future AADT values using temporal features like CALYR and historical trends from related fields like AADTDERIV.
• Analyze spatial patterns in truck traffic by joining station locations (implied by geospatial dtype) with DHTRK (design hour truck volume) and PCTDHCOMB (percent combination trucks).

Strengths

• Data includes 15 specific traffic calculation columns such as PCTOFFPKSU and AADTCOMB for detailed analysis.
• Geospatial references like REFPT and ENDREFPT enable location-based mapping and joins.
• Temporal coverage is clearly defined for a single year (CALYR: 2023).

Limitations

• Sample size and row count are unknown, preventing assessment of statistical power.
• Data is limited to a single year (2023), preventing longitudinal or trend analysis.
• Geographic scope is restricted to Colorado, limiting generalizability.

Provenance

Source

Colorado Department of Transportation (CDOT).

Collection Method

Traffic counts collected at designated COUNTSTATIONID locations.

Time Range

2023.

Freshness

Data reflects 2023 conditions but was last updated in the system on 2026-04-03.

Geography

Highways in Colorado, USA.