He said most of his collection comes from the old elevated lines in Chicago.

The elevated line was built through the second or third floors of several buildings along the route.

The next stop to the north was 129th Street, a major hub among the elevated lines.

But the skeptical town council did not allow him to do this until 1902, when the first elevated line opened.

But now, summer is approaching, making the elevated line more appealing than ever.

It consists of a 2.4-mile elevated line that is still under construction and will open in 2012.

There would eventually be more than 150 miles of electrified elevated line in the city.

The new elevated line has two side platforms serving a single track.

Most of the elevated lines were dismantled between 1940 and 1975.

Thus, the plan to build an elevated line continued after much delay.