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THE FOLLOWING IS THE ORIGINAL DATA DOCUMENTATION FROM ARIZONA LAND INFORMATION
SYSTEM (ALRIS), PHOENIX ARIZONA, CONTACT NAME: RON HUETTNER
ALRIS DATA DOCUMENTATION SEPTEMBER 1995
EDITED: 8/6/96 AT THE ADVANCED RESOURCE TECHNOLOGY LAB, THE UNIVERSITY
OF ARIZONA, TUCSON, ARIZONA.
NAME OF DATA SET: INTERSTATE
DATA TYPE: Vector;Line
DESCRIPTION OF CONTENT:
This data set consists of all interstate highways in Arizona.
FORMAT:
Arc/Info
DATA SIZE: Data Set 7.5" quad
Approximate Megabytes : .14 -
HISTORY:
Converted in the fall of 1988 from the DLG to ARC format. This data
set was created by extracting segments coded as interstate highways from
individual blocks of DLG data. The resultant interstate blocks were
appended together to create a single data set. An item named CLASS,1,I
was added and was calculated for ease of use.
MAINTENANCE:
Not active at this time.
PROJECTION:
UTM (Zone 12 with -3.2 million meter Y shift(northing))
NOTE: The data set distributed by the U of A has had the y-shift removed.
ITEMS:
Item name: FNODE#
Description: Internal number of the from-node
Format: 4,5,B
Code table:
Item name: NODE#
Description: Internal number of the to-node
Format: 4,5,B
Code table:
Item name: LPOLY#
Description: Left polygon number(cover# in PAT)
Format: 4,5,B
Code table:
Item name: RPOLY#
Description: Right polygon number(cover# in PAT)
Format: 4,5,B
Code table:
Item name: LENGTH
Description: Length in meters
Format: 4,12,B,3
Code table:
Item name: TRANS#
Description: This is a unique internally assigned identification number.
Format: 4,5,B
Code table:
Item name: TRANS-ID
Description: User assigned identification number.
Format: 4,5,B
Code table:
Item name: MAJOR1
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MINOR1
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MAJOR2
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MINOR2
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MAJOR3
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MINOR3
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MAJOR4
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MINOR4
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MAJOR5
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MINOR5
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MAJOR6
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: MINOR6
Description: (See attached Appendix D)
Format: 6,6,I
Code table:
Item name: CLASS
Description: Classes 1 - 5 calculated for ease of use.
Format: 1,1,I
Code table:
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