Quoted from Commentary: Road pricing and optimal transport networks*: "The principles of road pricing were set out in 1954 by Walters and of electronic road pricing by Vickery in 1959. The first specific paper on congestion pricing was written in 1961. Singapore was the first to apply some of the concepts in 1975 and even this pricing did not optimise the use of scarce road space." * http://findarticles.com/p/articles/mi_qa3927/is_/ai_n8899993
September 1998 by the Land Transport Authority (LTA) to reduce the congestion of cars in Singapore.
It is to ease traffic congestion at crowded areas such as downtown areas in a country. It will discourage motorists from driving to that area as they have to pay once they enter through a certain road around the area.
Electronic mail was invented in 1971 by Ray Tomlinson. He was in the US when he invented it.
Electronic mail was invented in 1971 by Ray Tomlinson.
Dave Simmons invented the electronic drumset.
They asked when was it invented, not who invented it. The first road has been invented by persian (Iranian) and called by The Perisan Royal Road.
the electronic whiteboards were invented by Geaghan Bernard, Atwood Stephen, and Sprague James.
they were invented in the 1990's.
glen whipple
when they decided to invented the interactive whiteboard
Never heard of electronic fuel.
Mr JJ Off-Road invented off road tires