Wiktionary
n. A sloping path taking the form of a ramp.
Usage examples of "rampway".
He leaped straight up, fingers desperately grabbing the grillework of the rampway directly above him, and he swung his body upward just as the crippled gun exploded.
Then we stepped through one of those rampways into a different building.
Looking at the cities, the rampways, the grave centers and the slaughtering houses, I saw not only the Planet but the world itself and that world was one I had already possessed, it was in fact, identical to my own life and there was no way, absolutely no way, in which this could be changed.
Small commands of Legion foot soldiers had already descended the mobile rampway on the left flank and staged a short counterattack into the enemy ranks as a defensive measure to protect the mounted regiment's only link with the besieged city.
Great hulking rampways made of timbers bound in iron creaked ponderously as they were puled and pushed on metal-rimmed wheels through the half-light, mobile pathways to the heights of the fortified bluff.