+X Highway

The +X Highway AKA The east highway is the longest highway and goes to 1.5 million

History
The x+ highway was mostly dug out by quicktest, who has mined a total of 3 million netherrack total on openanarchy. The Highway today, reaches 1,600,000 in the nether, with over 4 million netherrack mined from the highway.

Misc
Most used highway