Singapore has the most comprehensive mass transit system in the region.
Bangkok has a larger mass transit system.
Bangkok and Kuala Lumpur are the same International Airport Rail Link .
Jakarta and Manila, railcar is the most outdated.
And the city has no Mass transit railcar is Hanoi - Vientiane - Phnom Penh - Yangon - Bandar Seri Begawan - and timore City.
กรุงเทพมหานครมีระบบขนส่งมวลชนขนาดใหญ่ที่สุดในอาเซียน
Bangkok and Kuala Lumpur are both have International Airport Rail Link