New Jersey Annual Traffic Counts With Geographic Coordinates

Traffic counts data for New Jersey Department of Transportation includes short-term 48-hour volumes and continuous monitoring data. The dataset contains station-level records with Annual Average Daily Traffic (AADT) figures, geographic coordinates, and road identifiers. It is published by data.nj.gov and was last updated in September 2025.

Use Cases

• Model traffic volume trends over time using the 'Year' and 'Annual Average Daily Traffic' columns.
• Analyze spatial distribution of traffic loads by joining 'Latitude' and 'Longitude' with road network data.
• Compare directional traffic flow using 'Annual Average Daily Traffic North/East' and 'Annual Average Daily Traffic South/West' columns.
• Assess traffic patterns by jurisdiction using 'County', 'Municipality', 'County Code', and 'Municipal Code' fields.

Strengths

• Includes geographic coordinates ('Latitude', 'Longitude') for spatial analysis.
• Provides directional traffic breakdowns ('Annual Average Daily Traffic North/East', 'Annual Average Daily Traffic South/West').
• Contains standardized location identifiers ('County Code', 'Municipal Code', 'Standard Route Identifier', 'Mile Marker').

Limitations

• Sample size and total row count are unknown, limiting assessment of statistical power.
• Data freshness relies on update frequency, which is unspecified beyond the last update date.

Provenance

Source

New Jersey Department of Transportation via data.nj.gov.

Collection Method

Combination of short-term (48-hour) counts and continuous monitoring station data.

Time Range

null

Freshness

Last updated September 2025.

Geography

State of New Jersey, United States.