The state highway was paved along its present length in the mid-1920s.

It was cut to its present length in 1995.

It was cut back to its present length in the early 1950s.

The race was shortened to its present length in 1995.

At this point the race was increased to its present length.

It was renamed and increased to its present length in 1993.

It was extended to its present length in the 1940s.

It was gradually extended to its present length between then and 1942.

The highway was reduced to its present length in 1962.

The highway was gradually extended to its present length between then and 1960.