Traditional Culture Encyclopedia - Travel guide - What do shuttle buses, tourist buses, chartered buses, and overtime buses mean?

What do shuttle buses, tourist buses, chartered buses, and overtime buses mean?

Personal understanding:

Shuttle buses - passenger buses with fixed routes between two places, such as those with Shenzhen-Guangzhou, Guangzhou-Huizhou and the like

Tour bus - as the name suggests, it is the kind of bus that tour groups take when traveling

Chartered bus - many people organize themselves to charter a car to travel

Overtime bus - during peak passenger flow season, The number of regular trains is not enough, so we need to add extra trains