The MRT subway network, where it goes, fares, and how it connects to the BTS.
Blue Line runs through the city centre connecting Chinatown (Hua Lamphong), Silom, and the northern suburbs; Purple Line connects Bang Yai to Taopoon.
16–70 THB depending on distance; buy single-trip coins at machines or use stored-value card.
Silom (connects to BTS Sala Daeng), Sukhumvit (connects to BTS Asok), Hua Lamphong (old station, Chinatown access), Chatuchak Park (weekend market).
5:30 AM – midnight; same schedule as BTS.
MRT covers underground tunnels where BTS doesn't reach — especially useful for Chinatown, Samyan, and the western suburbs.