A steady eighty miles an hour and where it was at these times.
At a steady fifteen miles per hour, sometimes even slower.
He took it going south, and moved into the center lane, maintaining a steady seventy miles per.
Now the wind filled the tunnel, blowing straight through at a steady 10 or 15 miles per hour.
It settled into the right lane and moved at a steady fifty miles per hour.
Cruising along at a steady 55 miles per hour, he shook his head.
His foot held the accelerator at a steady seventy miles an hour.
It still kept on, at a steady sixty miles an hour.
It could maintain a steady six miles per hour on smooth, level pavement.
We were moving up the highway at a steady twenty-five miles an hour.