GIS Data Catalog

Traffic Count Locations

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Summary


Developed as a spatial representation of the hard-copy Historical Count Book, which is no longer produced.

Description


Traffic Count locations for unincorporated areas of King County with ten years of historical data.


Layer information

Layer Name traffic_count_locations_point
Subject Category Transportation
Title Traffic Count Locations
Feature Count 355
Feature Type Point
Next Update Annually
Spatial reference EPSG:2926
Control ID 716
Place Keywords Pacific NW, King County, WA, Washington State
Theme Keywords Traffic, Counts, Street, Transit, Volume, Transportation
Supplemental Information

The data is collected using tube-type counters that are placed a certain distance from the intersections in order to capture the intended vehicle movement.

The raw data is post-processed in the office using season adjustment factors in order to best represent a yearly count.


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Attribute information

OBJECTID

From ESRI

Description

Internal feature number.

Domain

Sequential unique whole numbers that are automatically generated.

ADTID_PK

From King County

Description

Average daily traffic id primary key for the TRAFFIC_COUNT_LOCATIONS feature class.

Domain

Integer value

ON_STREET

No Source Noted

Description

On street name for traffic counter location.

Domain

Not Found

CROSS_STREET

No Source Noted

Description

Cross street name for traffic counter location.

Domain

Not Found

Shape

From ESRI

Description

Feature geometry.

Domain

Coordinates defining the features.


Contact information

Maintained by DLS - Roads Services
Primary James Bach

james.bach@kingcounty.gov


Terms of Use

Summary


Developed as a spatial representation of the hard-copy Historical Count Book, which is no longer produced.

Description


Traffic Count locations for unincorporated areas of King County with ten years of historical data.


Contact information

Maintained by DLS - Roads Services
Primary James Bach

james.bach@kingcounty.gov


Terms of use and copyright


Change history

Update 1

Points we originally geocoded based off of an older version of the kcstreet street network.

Data from 1997-2007 was processed by the Traffic Count Tech's and was attached to the point.

The points were then updated spatially to the T-NET geometry.