I've always wanted to document a whole day's outing using a variety of public transport, this is an actual trip that I took using the following route.
Bus: Prachachuen - Bangsue Station
Diesel Train: Bangsue Station - Hua Lumphong Station
MRT : Hua Lumphong Station - Sam Yot Station
Walk: Sam Yot Station - Wat Kalayanamit
Ferry: Wat Arun - Tha Tien
Walk: Tha Tien - Pak Klong Talad
Chao Phraya Express Boat: Pak Klong Talad - Saphan Taksin
BTS: Saphan Taksin - Siam - Ha Yaek Lat Phrao
Walk: Ha Yaek Lat Phrao - PTT Head Office
Bus: PTT Head Office - Wat Samian Nari
Bus: Wat Samian Nari - Prachachuen
There are still two modes missing from this trip, a motorbike taxi and taxi meter, I'm disappointed I left out the motorbike taxi. Also to be fair I also missed out the Klong Saen Saeb canal boats, which are a very convenient option to get around.
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https://www.youtube.com/watch?v=zOSHjFh0SXI