Interblox 1 was originally built in 1956, with funding from the President's Interblox Highway Act. As of now, Interblox 1 is one of the longest north-to-south running Interbloxes in Robloxia and one of the longest highways on North Bloxmerica. It is the busiest Interblox in the whole country.
| South to north |
|---|
| Bloxico |
| Miablox |
| Ro-Route 76 East: Greenville |
| Arsenal City |
| Bloxanada | |||
|---|---|---|---|
Primary InterbloxesNote that Interbloxes shown in Italic is a proposed interblox.
Secondary Interbloxes142 145 165 166 180/BLOXOMING 199/BLOXBURG VALLEY 242 245 265 266/B240 269 293 345 355 365 376 465 509 565 610 666 |
Sign on Interstate 1 northbound. Located just south of Blox Angeles.