When a group is too large for a couple of cars but doesn't need a full-size coach, a Coaster bus choosing transportation can be surprisingly difficult.

A vehicle that is too small means people are packed together. A vehicle that is much larger than necessary can increase the cost without providing much additional value.

For many medium-sized groups, a Coaster bus can be a practical middle ground.

But the vehicle itself is only part of the decision. The route, passenger numbers, luggage, timing, and purpose of the trip all need to be considered.

Start With the Number of Passengers

The first step is to work out how many people will actually travel.

Don't base the decision only on the maximum seating capacity advertised for a vehicle. Think about how comfortable the group will be during the journey.

A short transfer may be perfectly manageable with a fuller seating arrangement.…