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The reference direction codes come from the standard FHWA rosette: 1=N, 2=NE (not used here), 3=E, 5=S, 7=W
ReferencePost (Mile Marker) is the number on the green sign. There is a RefPost_Tenths field available in the source data (oracle database, shared schema) for the enhanced centerline posts found on the interstates, but it is not currently available in the khub data.
Attributes in KHub are: [ReferencePost],[ReferenceDirection], ,[MeasuredLatitude], ,[MeasuredLongitude], ,[MeasuredAltitude]
The measured Lat,Long attributes would be helpful to create point locations based on the spatial coordinates (Lat, Long) rather than county LRS logmile
The attribute ReferenceDirection uses the domain dReferenceDirection
name | Code | Value |
dReferenceDirection | 0 | East-West |
dReferenceDirection | 1 | North |
dReferenceDirection | 2 | Northeast |
dReferenceDirection | 3 | East |
dReferenceDirection | 4 | Southeast |
dReferenceDirection | 5 | South |
dReferenceDirection | 6 | Southwest |
dReferenceDirection | 7 | West |
dReferenceDirection | 8 | Northwest |
dReferenceDirection | 9 | North-South |
HISTORY
From CANSYS Metadata Master Report:
STRP - (State Reference Post)
State reference posts are the green mile marker signs along the roadway. Note that the number reflected on the mile marker will not always match the route milepost of the location of the sign. When a roadway is changed the sign doesnt always gets moved in the field.
(STRP) - Altitude -- IIT_NUM_ATTRIB19
Comes from Videolog
(STRP) - Cycle -- IIT_NUM_ATTRIB21
Come from Videolog - TFO use only
(STRP) - Disk -- IIT_CHR_ATTRIB30
Come from Videolog TFO use only
(STRP) - Frame -- IIT_NUM_ATTRIB20
Come from Videolog TFO use only
(STRP) - Latitude -- IIT_NUM_ATTRIB17
Latitude of sign
(STRP) - Longitude -- IIT_NUM_ATTRIB18
Longitude of sign
(STRP) - Ref Post Route -- IIT_CHR_ATTRIB26
Route that the reference post exists on
(STRP) - Reference Post -- IIT_NUM_ATTRIB16
Number on sign
(STRP) - Route in city -- IIT_CHR_ATTRIB29
Identifies if route in city limits -
Code Y - Yes
Code N - No
(STRP) - Virtual -- IIT_CHR_ATTRIB28
Identifies if a point was created to emulate a sign.
Code Y - Yes
Code N - No
(STRP) - Visible -- IIT_CHR_ATTRIB27
Identifies if the sign is visible or not.
Code Y - Yes
Code N - No