page_title: Singapore Area Licensing Scheme
hierarchical_section_title: Singapore Area Licensing Scheme
context_page_description: The Singapore Area Licensing Scheme, was a road pricing scheme introduced in 1975 to 1998, charged drivers who were entering downtown Singapore, and thereby aimed to manage traffic demand. This was the first urban traffic congestion pricing scheme to be successfully implemented in the world. This scheme affected all roads entering a 6-square-kilometre area in the Central Business District called the "Restricted Zone", later increased to 7.25 square kilometres to include areas that later became commercial in nature. The scheme was replaced in 1998 by the Electronic Road Pricing.
context_section_description: The Singapore Area Licensing Scheme (ALS), (Malay : Skim Perlesenan Kawasan Singapura) was a road pricing scheme introduced in 1975 to 1998, charged drivers who were entering downtown Singapore, and thereby aimed to manage traffic demand. This was the first urban traffic congestion pricing scheme to be successfully implemented in the world. This scheme affected all roads entering a 6-square-kilometre area in the Central Business District (CBD) called the "Restricted Zone" (RZ), later increased to 7.25 square kilometres to include areas that later became commercial in nature. The scheme was replaced in 1998 by the Electronic Road Pricing.
caption: ALS Restricted Zone Warning Sign (1975–1998)