Map of 
Bangkok street food

Bangkok street food Chinatown: Map 1
MRT Subway: Hua Lampong Exit 1 
Note: Walking at night from the subway to Chinatown is quite difficult, taking a taxi or Tuk Tuk is recommended (highly.)

Bangkok street food Sukhumvit 38: Map 2 
BTS skytrain: Thonglo (E6) Exit 4
0 minute walk