I did manage to go from bangkok to kanchanaburi, but the part that was done by tara tour & travel was pretty bad. The people that work at tara are extremely unfriendly and they just drop you off at the busstation, so you can also just take a grab to the minivan terminal and buy a ticket there. The rest did go as planned although it took a bit longer.
รถตู้ ทั่วไป 14 ที่นั่ง, Tara Tour and Travel (ธาราทัวร์แอนด์ทราเวล), 22 ธ.ค. 2023
They made many unscheduled stops picking up more people then I could fit in the van people were sitting in the aisle sitting anywhere they could almost 30 people in the van that I think was set up to handle 22 or 24