Interblox 3

As of now, Interblox 3 is an Interblox that loops around RoCity.

Old Interblox 3 ( 1950s-1981 )

Interblox 3 formerly linked Mad City, to the Robloxia-Bloxanada border, via two crossings of the Bloxy River, Jarison, Greenville, and AmigoVilla2002's areas. Interblox 3 in 1981 was then renamed to Ro-Route 13.

New Interblox 3 ( 1981-present )

Interblox 3 (formerly Highway 73) is a ring road looping around RoCity. The Interblox was numbered in 1981. It has two spurs:

Interblox 103:

Interblox 103 (I-103) is a north–south auxiliary Interblox Highway in RoCity. It runs from Interblox 3 near RoCity to the city's northern beach. This spur is also unsigned as Spur 500N

Interblox 203:

Interblox 203 (I-203) is an east–west auxiliary Interblox Highway in RoCity. It runs from Interblox 3 near RoCity to the city's western beach. This is an unsigned spur also known as Spur 500W