Turbo underground belt

NOTOC The Turbo underground belt is the fourth tier of underground belts. It has a maximum underground length of 10 tiles ‒ 2 more than a express underground belt, 4 more than a fast underground belt and 6 more than a basic underground belt. The speed of the turbo underground belt is the same speed as the turbo transport belt, which is four times as fast as a basic transport belt or underground belt.

Note that underground belts as well as underground pipes cannot transport items beneath lava and space void.