NJDOT Special Route Types

Nationwide special routes types that exist in New Jersey:

Alternate Route: Signed as ALTERNATE or ALT. A loop that connect a mainline route to different settlements than along the mainline.

Examples: CR 527 Alternate, CR 561 Alternate

 

Business Route: Signed as BUSINESS or BUS.  A loop or spur that connects a mainline route to a business district of a settlement.

Examples: US 1 Business, NJ 33 Business

Bypass Route: Signed as BYPASS or BYP. A loop that lets through traffic along a mainline route bypass a settlement. 

Examples: US 206 Bypass, CR 533 Bypass

Spur Route: Signed as SPUR. A spur from a mainline route intended to connect a mainline route to a settlement not served by the mainline. Spurs do not return to the mainline routes.

Examples: CR 506 Spur, CR 536 Spur

Truck Route: Signed as TRUCK. Serves a similar purpose as a bypass route, but is intended for trucks to avoid a truck-restricted section of a mainline. 

Examples: US 1-9 Truck, CR 541 Truck

A truly special "special route" that only exists de jure per NJDOT:

Z (Directional Route): Seen in NJDOT SLDs only. No Z signs exist de facto / on the field. Serves as part of the mainline, however, a Z route is usually the "secondary" direction of travel when the mainline becomes one-way and the baseline for mileposts is along the "primary" direction of the one-way mainline. This is applicable even if part (or all) of the mainline and the Z are two-way.

Examples: CR 510Z, CR 531Z

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