When we looked at the house it was midday, and the traffic wasn't running that much.
Most traffic just runs on channel zero, and channels one through seven are not used.
Work on a tunnel began in 1857 and the first traffic ran through it in 1871.
But the traffic runs in the other direction, too.
Canal officials say this year's traffic is running at about the same level.
"The experience we had in 1986 and 1995 is that traffic runs a lot smoother on the weekend than a normal Sunday morning," he said.
After that all traffic to Vienna ran over this route because it was shorter.
Outside in the city of the modern world the traffic ran along the broad avenue.
The Shadow also knew that traffic on the avenue would be running without interruption.
Many new buildings were built as more and more traffic ran through the town.