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My Sandbox

Road Types

 Interstate 
 Freeway 
 Major Highway 
 Minor Highway 
 Primary Street 
 Primary Street 
 Street 

		Highway Systems
		Interstate	Interstate Business Loop/Spur	US Hwy (incl. some special routes)	US Hwy BUS, SPUR, LOOP	State Hwy (incl. some special routes)	State Hwy BUS, SPUR, LOOP	County Route	Locally-maintained
	example	I-10 E	I-94 Business	US-190	US-460 Business	SR-23	SR-400 Loop	CR-15	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	n/a	n/a	n/a
	Other Freeway	n/a	Fw	Fw	Fw	Fw	Fw	Fw	Fw
	Other Expressway	n/a	Major	Major	Major	Major	Major	Major	Major
	Other Principal Arterial	n/a	Major	Major	Major	Major	Major	Major	Major
	Minor Arterial	n/a	Major	Major	Minor	Minor	Minor	Minor	Minor
	Major Collector	n/a	Major	Major	Minor	Minor	PS	PS	PS
	Minor Collector	n/a	Major	Major	Minor	Minor	PS	PS	PS
	Local/not mapped	n/a	Major	Major	Minor	Minor	PS	PS	Street

^a When a state highway "SPUR" route is used to connect a state highway with another state highway, a US highway, or an Interstate (i.e., when it is used as a connector/CONN route), use the first state highway column.

^b Also known as Principal Arterial - Interstate.

^c Also known as Principal Arterial - Freeway.

^d Also known as Principal Arterial - Expressway.

^e Also known as Principal Arterial.

^f Also known as Other Arterial.

For example,

• An Interstate Business Loop classified as a Minor Arterial is a  Major Highway .
• A US Highway classified as a Minor Arterial is a  Major Highway .
• A US Highway Spur route classified as a Minor Arterial is a  Minor .
• A State Highway classified as an Other Freeway is a  Freeway .
• A State Highway classified as a Collector is a  Minor .
• A County Route classified as a Minor Arterial is a  Minor .
• A County Route classified as a Collector is a  PS 
• A locally-maintained road classified as an Other Principal Arterial is a  Major Highway .
• A locally-maintained road classified as a Collector is a  PS .

Legend

Fw	Freeway
Major	Major Highway
Minor	Minor Highway
PS	Primary Street
Street	Street

Locking standard

In Crazycaveman 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.

Crazycaveman Minimum Locking Rank Standard

Segment Type	Coastal	Urban	Rural
Freeway	5
Ramp	Highest Rank of Connected Segments
Major Highway	4	3	2
Minor Highway	3	2	Automatic
Primary Street	2		Automatic
Street	1
|-|-|-|-|-|-|-|-|-| Railroad |-|-|-|-|-|-|-|-|-|	2
• • • • Ferry • • • •	5

Note: Rural locks may be increased to Urban locks once an area can be considered "complete" (correct turn restrictions, road classified appropriately, and minimal URs)