Average Daily Traffic Counts - Map | City of Chicago

Average Daily Traffic Counts - MapAverage Daily Traffic (ADT) counts are analogous to a census count of vehicles on city streets. These counts provide a close approximation to the actual number of vehicles passing through a given location on an average weekday. Since it is not possible to count every vehicle on every city street, sample counts are taken along larger streets to get an estimate of traffic on half-mile or one-mile street segments. ADT counts are used by city planners, transportation engineers, real-estate developers, marketers and many others for myriad planning and operational purposes. Data Owner: Transportation. Time Period: 2006. Frequency: A citywide count is taken approximately every 10 years. A limited number of traffic counts will be taken and added to the list periodically. Related Applications: Traffic Information Interactive Map (http://webapps.cityofchicago.org/traffic/).Visit the full page to view this data.

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The Socrata Open Data API (SODA) provides programmatic access to this dataset including the ability to filter, query, and aggregate data. For more more information, view the API docs for this dataset or visit our developer portal

API Endpoint:

Field Names:

ID: id
Traffic Volume Count Location Address: traffic_volume_count_location_address
Street: street
Date of Count: date_of_count
Total Passing Vehicle Volume: total_passing_vehicle_volume
Vehicle Volume By Each Direction of Traffic: vehicle_volume_by_each_direction_of_traffic
Latitude: latitude
Longitude: longitude
Location: location
Boundaries - ZIP Codes: :@computed_region_rpca_8um6
Community Areas: :@computed_region_vrxf_vc4k
Zip Codes: :@computed_region_6mkv_f3dw
Census Tracts: :@computed_region_bdys_3d7i
Wards: :@computed_region_43wa_7qmu
Historical Wards 2003-2015: :@computed_region_awaf_s7ux

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Tableau users should select the OData v2 endpoint option.

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