The key principles of governance that have helped Singapore manage its traffic are:
- Targeted measures - Singapore implemented specific measures like ERP, COE, etc. to target road usage and car ownership rather than broad measures. This makes governance more effective.
- Evidence-based policymaking - Measures like ALS were discontinued when proven ineffective and replaced by better alternatives like ERP supported by data on traffic flows.
- Adaptability to changes - As population and traffic grew, Singapore kept adapting its governance approach with new measures and technologies rather than sticking to old solutions.
- Multi-pronged approach - Singapore uses a combination of demand management, infrastructure expansion and behavioral changes rather than relying on only one approach. This comprehensive