Ex-minister backs road tolls for city drivers

1.	Why does the government want to reduce the number of vehicles using
	the roads?

2.	What strategies could the government use in order to reduce the number
	of cars using the roads in inner city areas?

3.	a) Carry out a survey to find out whether people in your area commute
	to work using public transport. 
	b) Find out if they would use public transport if fares were halved.