Pima County Geographic Information Systems logo

GIS Library Contents - Metadata

Location of paved and non-paved alleys in the City of Tucson.

Layer Thumbnail Map

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

Descriptive nameLocation of paved and non-paved alleys in the City of Tucson.
File namealley
Spatial domainCity of Tucson
AbstractAlleys intended to be shown are dedicated in some form to be "used" as an alley. Paved and Non-paved alleys are shown.
Known errors/qualificationsSome alleys shown may in fact be "easements" for use other than alleys. Some alleys that exist may not be shown. Overall this is a good layer to get see the dirt alley quantities and areas where they exist.
Feature typeline
Feature count 4,738
Thumbnail Map alley.pdf PDF file format   (529,285 bytes, PDF created 07/19/2022 )
ProjectionNAD83 HPGN (Parameters)
Field/value metadata Field metadata
Source organizationCity of Tucson/TDOT
Source contactDennis Sheppard
Source document or file namealley.shp
Source date20030505
Source scale
Source formatShape
Date of last data update
(This date may not be current.)
Last data update byDennis Sheppard
Date/time last touched - Meaning? 2020-10-22  10:41 PM - Enterprise GDB - Library input format
  2022-06-06  01:42 AM - Shapefile
  See coverage files, if any, for date.
LineageCity of Tucson/TDOT/Streets and Traffic maint. digitized alleys in use by using the 1998 ortho photos. Field trips were made to visually identify open, existing, and apparently used public alleys, as well as to identify the surface type.
On maintenance?Yes
Maintenance organizationCity of Tucson/TDOT/Streets
Maintenance frequencyVaries
Maintenance descriptionTo be determined
Original conversion byDennis Sheppard
Pima County ITD GIS contactSteve Whitney
Alternate Pima County ITD GIS contacte-mail address
On  Pima County Geospatial Data Portal? No

See Metadata Field Descriptions.
Back button GIS Library Data Layer Metadata search page.