Link: |
File:
Waypoint |
Description |
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US25:
I-80
GarStaPkwy |
If a highway is a cross road only once, no suffix should appear. |
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US25:
I-80(173)
I-80(256)
I-80/90
Gar(53)
Gar(56) |
If an exit numbered highway is a cross road twice, exit numbers
in parentheses can be used to distinguish them. Avoid using two
designations and a parenthetical suffix in the same label. |
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US25:
US90_S
US90_N |
If a non-exit-numbered highway is a cross road twice, add an
underscored suffix. The direction letter refers to the relative position
of the intersection along the route whose file is being made. US90_S is
the southern of the two US 90 junctions along US 25, which runs S-N. |
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US25:
US90_S
US90
US90_N |
If a non-exit-numbered highway is a cross road a third time, a suffixless label is an option. |
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N6thSt
S6thSt |
If non-essential directions were omitted and they are different,
they can be put back in. N. 6th St. and S. 6th St. would both be
labeled 6thSt, so include the initial N and S for distinction. |
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US90_A
US90_B
US90_C
NV57_Ren
NV57_Tah
NV88_PitS
NV88_PitN
ME161_FtKS
ME161_FtKN
|
If more than two points for the same non-exit-numbered cross
road are needed, there are two options which can be used in combination
with or ignoring the previous options for pairs of identical labels.
1. Use alphabetical suffixes _A, _B, _C, etc.
2. Choose 3-letter suffixes for nearby towns if they are fairly close. The 3-letter suffix should be the first
3 letters of the town name. or a desired 3-letter abbreviation if the name consists
of more than one word. Add a suffix with an underscore and those 3 letters.
- Standard town prefixes like "Bad", "Le", "Saint", "San", "Sankt" can be omitted or abbreviated.
- If you need the same town twice, add a 4th letter that is a
direction letter (_PitS and _PitN for southern and northern junctions
near Pittston or _FtKN and _FtKS for southern and northern junctions near Fort Kent).
- If the town suffixes are not useful, are confusing,
require further elaboration (3+ junctions with same town),
or no towns are nearby, use the county name or alphabetical suffixes instead.
|
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MilPkwy
MilfPkwy |
If two named cross roads have different names but would have
identical labels (Milford Parkway & Millville Parkway both would be
MilPkwy), either add a 4th letter to a 3-letter part of one of the
labels, or choose 3 different letters for that label. |
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A10:
1
...
A11 |
Loop roads need one point to appear as both the first and last
waypoints. If the loop is exit-numbered, the first point is usually the
lowest exit number. The second point can be the cross road name. Here
Exit 1 of A10 is where A11 intersects. |
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A10:
A8_W
...
A8_E |
If the loop road is not exit-numbered, use the cross road twice,
each with a direction suffix (underscore + one letter) representing the
direction to the adjacent waypoint. If the second waypoint is west of
the first point, append _W to the first point and _E to the last point. |