Because of this, the line was converted to standard gauge.

Many lines were converted to buses in the late 1940s and early 1950s.

All lines were converted to standard gauge between 1868 and 1870.

The line was converted to standard gauge in 1874, a change that took just five days.

In 1877 the line was converted to cable car operation.

Between 1893 and 1900 the lines were converted to electricity operation.

By the mid 1970s, most main lines had been converted.

By 1857 the whole line had been converted to standard gauge.

Today the old line has been converted into a cycle track.

These lines were finally converted in a single weekend, 21-22 May 1892.