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Interstates

Interstates in New Mexico are the following:

I-10 Arizona to Texas
I-40 Arizona to Texas
I-25 Colorado to I-10

Other Important Major Roads

US-550 Farmington to Albuquerque
US-285 Colorado to Texas
US-60 Arizona to Texas
US-54 El Paso, TX to NW Texas
SR-26 Hatch NM to Deming NM, critical for functional classification routing

State Highway Naming

The approved format for State Highway naming in New Mexico is: SR-##. The SR prefix is pronounced by TTS as "State Route".

The New Mexico-specific state route shield with the red Zia sun symbol encircling the route number is used when appropriate. The generic state route shield, similar in shape but without the symbol, is not used in New Mexico.

Former US-66

The former US-66, now known in many parts of the state as "Historic Rte 66", "Old US-66" or similar derivatives, is no longer a commissioned US highway in New Mexico. The US route shield is not used.

Locking Standard

Actual locks used may be more or less than values in the table, depending on area circumstance. Please consult the RC, SM, or appropriate AM for guidance.

**New Mexico Minimum Locking Rank Standard**
Segment Type	Default locks
Freeway	5
Ramp	4
Major Highway	4
Minor Highway	3
Primary Street	2
Street	1
• • • • Ferry • • • •	5
\|-\|-\|-\|-\|-\|-\|-\|-\|-\| Railroad \|-\|-\|-\|-\|-\|-\|-\|-\|-\|	2

Functional Classification

Reference: Road names and Road types. New Mexico participates in the functional classification of roads.

NMDOT to Waze Functional Classification conversion

The New Mexico Classification and Color scheme comes from the official New Mexico D.O.T (NMDOT) Functional Classification (FC) map that is published by NMDOT. The legend shows what classifications NMDOT uses and what color is assigned to each class. The actual interactive State Map can be found here:

NM Interactive FC Map

NMDOT to Waze conversion table

		Highway Systems
		Interstate	US Hwy (incl. some special routes)	State Hwy (incl. some special routes)	State Hwy BUS, SPUR^[a], LOOP	Locally-maintained
	example>>>>>	I-10 E	US-190	SR-23	SR-400 Loop	Robertson St
F u n c t i o n a l C l a s s	Interstate	Fw	n/a	n/a	n/a	n/a
	Principal Arterial	n/a	Major	Major	Major	Major
	Minor Arterial	n/a	Major	Minor	Minor	Minor
	Major Collector	n/a	Major	Minor	PS	PS
	Minor Collector	n/a	Major	Minor	PS	PS
	Local/Not Mapped	n/a	Major	Minor	PS	Street

Deviations from FC

Longer rural roads classified as "Major Collector" on the FC map should be set to Minor rather than PS to avoid pruning of valid routes.

State highways that are classified on the State FC map as "Minor Arterial," but are dirt/gravel, should be set to PS and have the unpaved box checked, instead of Minor .

SR-26, Hatch NM to Deming NM, is set to Major to allow routing from I-25 south to I-10 west and bypass Las Cruces.

Several non-Interstate highways in New Mexico are mapped as Freeway because they are constructed to Interstate standards:
- 11 miles of US-70 in the Las Cruces area.
- 12 miles of US-84 in the Santa Fe area.
- 5 miles of Paseo del Norte (SR-423) in Albuquerque.

Points of Divergence

National standards call for a minimum 20° departure angle where roads diverge. New Mexico follows the SWR preference of 25° minimum.

[a]

@@ Line 9: / Line 9: @@
 *'''I-40''' Arizona to Texas
 *'''I-25''' Colorado to I-10
 === Other Important Major Roads ===
@@ Line 17: / Line 18: @@
 *'''US-54''' El Paso, TX to NW Texas
 *'''SR-26''' Hatch NM to Deming NM, critical for functional classification routing
+=== State Highway Naming ===
+The approved format for State Highway naming in {{RootPage2}} is:  '''SR-##'''.  The '''SR''' prefix is pronounced by TTS as "State Route".
+The New Mexico-specific state route shield with the red Zia sun symbol encircling the route number is used when appropriate. The generic state route shield, similar in shape but without the symbol, is not used in New Mexico.
+=== Former US-66 ===
+The former US-66, now known in many parts of the state as "Historic Rte 66", "Old US-66" or similar derivatives, is no longer a commissioned US highway in New Mexico. The US route shield is not used.
+=== Locking Standard ===
+{{Lock Standard State|NM}}
 === Functional Classification ===
-Reference: [[Road names/USA]] and [[Road types/USA]]. New Mexico participates in the functional classification of roads; however, this is a new standard that is going through changes and all changes should be socialized with existing primary editors in the state.
+Reference: [[Road names]] and [[Road types]]. New Mexico participates in the functional classification of roads.
+==== NMDOT to Waze Functional Classification conversion ====
+[[File:NMGIS.new.png|thumbnail|GIS Legend]]
+The New Mexico Classification and Color scheme comes from the official New Mexico D.O.T (NMDOT) Functional Classification (FC) map that is published by NMDOT. The legend shows what classifications NMDOT uses and what color is assigned to each class. The actual interactive State Map can be found here:
+* [http://nmdot.maps.arcgis.com/apps/webappviewer/index.html?id=f2fc877d107b4e338deb789f70a8779e NM Interactive FC Map]
+{{clear}}
+===== NMDOT to Waze conversion table =====
+<div style="font-size:smaller">
+{| border="1" style="border-collapse:collapse; text-align:center"
+! scope="row" rowspan="2" colspan="2"|
+! colspan="7"| <big>Highway Systems</big>
+|-
+! Interstate
+! US Hwy (incl. some [[wikipedia:special routes|special routes]])
+! State Hwy (incl. some special routes)
+! State Hwy BUS, SPUR{{ref label|a|a}}, LOOP
+! Locally-maintained
+|-
+|
+| ''example>>>>>''
+| I-10 E
+| US-190
+| SR-23
+| SR-400 Loop
+| Robertson St
+|-
+! scope="row" rowspan="7" style="width:28px"| <big>F<br>u<br>n<br>c<br>t<br>i<br>o<br>n<br>a<br>l<br> <br>C<br>l<br>a<br>s<br>s</big><!-- Temp placeholder -->
+| {{Road | style = color: white; background-color: #005CE6; | Interstate }}||{{Freeway|Fw}}||n/a||n/a||n/a||n/a
+|-
+<!-- | {{Road | style = color: white; background-color: #005CE6; | Principal Freeway}}||n/a||{{Freeway|Fw}}||{{Freeway|Fw}}||{{Freeway|Fw}}||{{Freeway|Fw}}
+|- -->
+| {{Road | style = color: white; background-color: #FF2E00; | Principal Arterial}}||n/a||{{Major Highway|Major}}||{{Major Highway|Major}}||{{Major Highway|Major}}||{{Major Highway|Major}}
+|-
+| {{Road | style = color: white; background-color: #895A44; | Minor Arterial}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}
+|-
+| {{Road | style = color: black; background-color: #FF9600; | Major Collector}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Primary Street|PS}}
+|-
+| {{Road | style = color: black; background-color: #38A800; | Minor Collector}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Primary Street|PS}}
+|-
+| {{Street|Local/Not Mapped}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Street|Street}}
+|}
+</div>
+===== Deviations from FC =====
+*Longer rural roads classified as "Major Collector" on the FC map should be set to {{Minor Highway|Minor}} rather than {{Primary Street|PS}} to avoid pruning of valid routes.
+* State highways that are classified on the State FC map as "Minor Arterial," but are dirt/gravel, should be set to {{Primary Street|PS}} and have the unpaved box checked, instead of {{Minor Highway|Minor}}.
+* SR-26, Hatch NM to Deming NM, is set to {{Major Highway|Major}} to allow routing from I-25 south to I-10 west and bypass Las Cruces.
+* Several non-Interstate highways in New Mexico are mapped as {{Freeway|Freeway}} because they are constructed to Interstate standards:
+**11 miles of US-70 in the Las Cruces area.
+**12 miles of US-84 in the Santa Fe area.
+**5 miles of Paseo del Norte (SR-423) in Albuquerque.
+=== Points of Divergence ===
-New Mexico's functional classification is not completely clear.  Reference to the Federal Functional Classification can be found in '''[http://dot.state.nm.us/content/dam/nmdot/planning/Federal_Function_Classification.pdf THIS MAP]''' (which has low resolution) which is on [http://dot.state.nm.us/en/Planning.html NMDOT's Planning Page].
+[https://wazeopedia.waze.com/wiki/USA/index.php?title=Junction_Style_Guide/Interchange#Geometry National standards call for a minimum 20° departure angle where roads diverge.] New Mexico follows the SWR preference of 25° minimum.

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