The routine was always the same--a hundred yards or perhaps two, an abrupt turn and then a similar distance the other way.

They had one or two slight misadventures but they made progress.

Once, through a rift, they caught a momentary vision of a carpet of lights at a giddy distance below.
"We'll make it all right," Lane declared, crawling around another corner.

"Gee! but this is the toughest thing in driving I've ever known! I can do ninety with this car easier than I can do this three.

Hullo, some one else in trouble!" Before them, in the middle of the road, a light was being slowly swung backwards and forwards.