Traffic Policy
Area Licensing Scheme
The ALS was introduced in 1975 and was successful in controlling the flow of traffic in Singapore.
Motorist have to pay for use of certain roads, especially the Central Business District.
Motorists had to buy ALS labels to enter the restricted zone and gantries were set up to monitor this.
A lot of cost were involved as this system was labour- intensive.
However, it was very successful in decreasing the number of vehicles entering the CBD during peak hours.
Electronic Road Pricing
The ERP has replaced the ALS in 1998 as although the ALS was effective in controlling traffic flow, it was not cost-effective.
Subtopic
So, the ERP uses up-to-date technology to enable the transport system to stay relevant with the times.
Technology used to monitor and regulate traffic flow.
Subtopic