The price gradually increased to 5 cents by the 1940s.

Last year the tax was increased to 5 cents, which will generate $640,000 annually.

A round trip for those who buy a 40-trip ticket book will increase to 75 cents.

Two days later he increased the price to 50 cents.

The basic rate will increase to 33 cents from 32.

In the 1950s the gas tax was increased to four cents.

A spokesman for the company said it would probably want to increase the rate to 35 cents.

The price increased again, to 35 cents, in August 1951.

In 1993 the tax was increased to 18.4 cents per gallon, where it remains as of 2012.

The toll was increased again in 1998 to 25 cents.