GIS Library Contents - Metadata Mile Markers - Highways

This metadata information is subject to our disclaimer. Metadata information presented here is maintained manually. Therefore, date-sensitive fields such as date of last update may not be up-to-date. All metadata is subject to errors inherent in a manual process.

Descriptive name		Mile Markers - Highways
File name		milemark
Spatial domain		Pima County
Abstract		milemark displays the locations of mileposts along all highways in Pima County and kilometer markers along I-19. Collected or verified by ADOT/TPD with vehicle drive-by using subscription service differential GPS. See more information.
Known errors/qualifications		All interstate and state route milepost and kilometers are from ADOT data, Catalina Highway mileposts are from City of Tucson data. The MP1-22 on Arivaca Rd are from PC survey done in April 22, 2008.
Feature type		point
Feature count		1,202
Thumbnail Map		milemark.pdf    (434,635 bytes, PDF created 07/20/2022 )
Projection		NAD83 HPGN (Parameters)
Rectification		n/a
Field/value metadata		Field metadata
Source organization		ADOT
Source contact
Source document or file name
Source date		201109
Source scale
Source format		Shape
Date of last data update (This date may not be current.)		20120202
Last data update by		Ray Brice
Date/time last touched - Meaning?		2022-06-12  06:06 PM - Enterprise GDB - Library input format
		2022-06-13  01:57 AM - Shapefile
		See coverage files, if any, for date.
Lineage		Made from the azmilemk layer. Added mile markers for Redington RD - 02/05/2008. Removed MP8.5 and MP11 then added mile markers on Arivaca Rd - 06/12/2008. Updated with azmilemark in \\gislib\mars1\az\shapes-07/16/2008. Updated the mile markers along the Catalina HWY 08/26/2008. Added mile markers for Whitehouse Canyon Rd and Madera Canyon Rd from TOSS database and mapped using orthos and virtualride, 12/23/10. Added mile markers on Arivaca Sasabe Rd using orthos and virtualride, 1/31/11. Updated with ADOT data, deleted ONROAD, STATION, CARD, MPTYPE, MP5, MP10, MP20, MPNUM, X_RTE_ID, RTE_ID, SOURCE_F from the attribite field and added source field. 09/02/2011. Added MP 25 on Mt. Lemmon HY, location provided by Gloria Browne, 2/2/2012.
On maintenance?		No
Maintenance organization
Maintenance description
Original conversion by		PC DOT GIS Division
Pima County ITD GIS contact		Ray Brice
Alternate Pima County ITD GIS contact
On  Pima County Geospatial Data Portal?		Yes

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