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Traffic Signals locations throughout the greater Tucson valley

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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 nameTraffic Signals locations throughout the greater Tucson valley
File nametsignals
Spatial domainTucson valley
AbstractTraffic signal locations maintained via COT/DOT (TDOT)digiapp. New signals are added via the web into a database. Signal data is maintained/edited through the digiapp.
Known errors/qualificationsPoints are digitized by use of the 1998 orthophotos as a backdrop and do not represent the exact location of one or any actual signal heads. The general intersection where the signal is located is shown.
Feature typepoint
Feature count 672
Thumbnail Map tsignals.pdf PDF file format   (428,062 bytes, PDF created 07/21/2022 )
ProjectionNAD83 HPGN (Parameters)
Field/value metadata Field metadata
Source organizationCity of Tucson/DOT
Source contactRon Platt
Source document or file name
Source date20030409
Source scale
Source formatDatabase
Date of last data update
(This date may not be current.)
Last data update byRon Platt
Date/time last touched - Meaning? 2021-01-07  10:54 PM - Enterprise GDB - Library input format
  2022-06-06  02:36 AM - Shapefile
  See coverage files, if any, for date.
LineageCOT/DOT (TDOT)Traffic Engineering enters location of new signal or deletes old one. TDOT maintenance staff adds signal data.
On maintenance?No
Maintenance organizationCOT/TDOT
Maintenance descriptionCOT/DOT (TDOT)Traffic Engineering enters location of new signal or deletes old one through MapGuide. TDOT maintenance staff adds signal data through MapGuide. Then each night the Access database table is exported as a DBF. AML is run to create shapefile.
Original conversion byRon Platt
Pima County ITD GIS contactSteve Whitney
Alternate Pima County ITD GIS contacte-mail address
On  Pima County Geospatial Data Portal? No

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