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Revision as of 02:27, 21 October 2015

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Naming Standards

Numbered US Highways shall be named as: US-###
Numbered State Highways shall be named as: State Rte ###

Locking roads

In Maine we have a set minimum standard for locking roads based on segment type. Any road of a certain segment type must be locked at least to the rank (level) in the chart below. Roads may be locked higher for protection and special situations (areas with construction, tricky design, frequent mistakes, imaging inaccuracies, and the like), but should not be locked lower.

A great time to implement these locks is while bringing the road types of an area into compliance with the current US road type standards (FC and highway systems). Lock the roads based on type after they've been set to current US road type standards.

**Maine Minimum Locking Rank Standard**
Segment Type	Statewide
Freeway	5
Ramp	Highest rank of connected segments
Major Highway	4
Minor Highway	3
Primary Street	1 (Auto)
Street	1 (Auto)
Private Road	1 (Auto)
• • • • Ferry • • • •	5
\|-\|-\|-\|-\|-\|-\|-\|-\|-\| Railroad \|-\|-\|-\|-\|-\|-\|-\|-\|-\|	2

Note: Do Not Mass Edit just to update locks to these standards, these can be adjusted as you find them while editing other aspects of the segments such as FC, speed limits, naming, etc.

Some segments still warrant higher locks and care should be taken when setting segment lock to these standards to look for and protect these special setups with higher locks. Some examples; segments which are part of BDP, U-turn prevention, or using micro-doglegs, or other complex intersection setups.

Functional Classification of Roads

Functional Classification (FC) of Maine's highways is currently underway, statewide. Some highways may be downgraded, others may be upgraded.

State FC Resources

Maine Interactive FC Map

MaineDOT to Waze conversion table

		Highway Systems
		Interstate	US Hwy (incl. some special routes)	US Hwy BUS, SPUR, LOOP	State Hwy (incl. some special routes)	State Hwy BUS, SPUR^[a], LOOP	Locally-maintained
	example>>>>>	I-95 N	US-2	US-460 Business	SR-27 (SR-27A)	SR-400 Loop	Robertson St
F u n c t i o n a l C l a s s	Principal Arterial Interstate	Fw	n/a	n/a	n/a	n/a	n/a
	Principal Arterial / Other Freeway	n/a	Fw	Fw	Fw	Fw	Fw
	Other Principal Arterial	n/a	Major	Major	Major	Major	Major
	Minor Arterial	n/a	Major	Minor	Minor	Minor	Minor
	Major/Urban Collector	n/a	Major	Minor	Minor	PS	PS
	Minor Collector	n/a	Major	Minor	Minor	PS	PS
	Local Road	n/a	Major	Minor	Minor	PS	Street

A US Highway should never be typed lower than Major Highway (MH)

[a]

@@ Line 33: / Line 33: @@
 ! Interstate
 ! US Hwy (incl. some [[wikipedia:special routes|special routes]])
+! US Hwy BUS, SPUR, LOOP
 ! State Hwy (incl. some special routes)
 ! State Hwy BUS, SPUR{{ref label|a|a}}, LOOP
@@ Line 41: / Line 42: @@
 | I-95 N
 | US-2
+| US-460 Business
 | SR-27 (SR-27A)
 | SR-400 Loop
@@ Line 46: / Line 48: @@
 |-
 ! 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: #5789CE; | Principal Arterial Interstate}}||{{Freeway|Fw}}||n/a||n/a||n/a||n/a
+| {{Road | style = color: white; background-color: #5789CE; | Principal Arterial Interstate}}||{{Freeway|Fw}}||n/a||n/a||n/a||n/a||n/a
 |-
-| {{Road | style = color: black; background-color: #AF7561; | Principal Arterial / Other Freeway}}||n/a||{{Freeway|Fw}}||{{Freeway|Fw}}||{{Freeway|Fw}}||{{Freeway|Fw}}
+| {{Road | style = color: black; background-color: #AF7561; | Principal Arterial / Other Freeway}}||n/a||{{Freeway|Fw}}||{{Freeway|Fw}}||{{Freeway|Fw}}||{{Freeway|Fw}}||{{Freeway|Fw}}
 |-
-| {{Road | style = color: black; background-color: #E9533A; | Other Principal Arterial}}||n/a||{{Major Highway|Major}}||{{Major Highway|Major}}||{{Major Highway|Major}}||{{Major Highway|Major}}
+| {{Road | style = color: black; background-color: #E9533A; | Other Principal Arterial}}||n/a||{{Major Highway|Major}}||{{Major Highway|Major}}||{{Major Highway|Major}}||{{Major Highway|Major}}||{{Major Highway|Major}}
 |-
-| {{Road | style = color: black; background-color: #B4D316; | Minor Arterial}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}
+| {{Road | style = color: black; background-color: #B4D316; | Minor Arterial}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}
 |-
-| {{Road | style = color: black; background-color: #DA5EB2; | Major/Urban Collector}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Primary Street|PS}}
+| {{Road | style = color: black; background-color: #DA5EB2; | Major/Urban Collector}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Primary Street|PS}}
 |-
-| {{Road | style = color: black; background-color: #F3DD00; | Minor Collector}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Primary Street|PS}}
+| {{Road | style = color: black; background-color: #F3DD00; | Minor Collector}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Primary Street|PS}}
 |-
-| {{Street|Local Road}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Street|Street}}
+| {{Street|Local Road}}||n/a||{{Major Highway|Major}}||{{Minor Highway|Minor}}||{{Minor Highway|Minor}}||{{Primary Street|PS}}||{{Street|Street}}
 |}
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