King County GIS Center
King Street Center
201 S. Jackson St.
Suite 706
Seattle, WA 98104

+ 47.59909 N
- 122.33136 W

+ 47°  35' 56.72"
- 122° 19' 52.90"


Traffic Count Locations

Description | Contacts | Attribute Information | Constraints

Data layer thumbnail image


Subject category: transportation
Title: Traffic Count Locations
Feature Count: 0
Feature Type: Point
Abstract: Traffic Count locations for unincorporated areas of King County with ten years of historical data.
Purpose: Developed as a spatial representation of the hard-copy Historical Count Book, which is no longer produced.
Status: Complete
Updated: Annually
Time period of content: (single date,as YYYYMMDD)::
Time period of content: (date range, as YYYYMMDD):: 19970101 - 20070101
Spatial reference: WA State Plane North
FGDC Documentation: Classic or FAQ
Open Data Availability: Yes
Place Keywords: Pacific NW, King County, WA, Washington state,
Theme Keywords: traffic, counts, street, transit, volume, transportation, transportation,
Lineage: Available
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.


Maintained by:
King County Department of Transportation - Road Services Division
Primary: Tamara Davis, GIS and IT Project Manager, 206-684-2118
(How to e-mail a County contact)
Secondary: KCGIS Center; This mailbox is monitored during business hours.

Attribute Information

_ADTID_PK_Average daily traffic id primary key for the TRAFFIC_COUNT_LOCATIONS feature class.Integer value
_ON_STREET_On street name for traffic counter location.
_CROSS_STREET_Cross street name for traffic counter location.


Access: None

Use: King County data are made available with the understanding that they shall be used exclusively by the obtainer or his/her authorized agents. Digital products may not be reproduced or redistributed in any form or by any means without the express written authorization of King County.