Stephen Joseph, of the environmental lobby group Transport 2000, said it would be a mistake for commuters to return to their car because of fears over rail safety.
Meanwhile, road and rail networks in parts of the UK are still struggling to return to normal, with delays and disruptions continuing to affect northern England.
More specifically, Third Rail Strategy eliminates losses below 15% and down to 40% while providing potential upside return capped in the low- to mid-double digits.