Dashed lines are "Hop-on Hop-off Zones", where you can "catch a bus anywhere in the zone.

Hop-on Hop-off is not available in the solid colored lines; buses stop only at regular bus stops.
* Fare is calculated based on an adjacent regular bus stop.
* No transfer ticket is provided.

　

Bus lines are identified by number. 

Each bus displays a sign behind the windshield indicating its line number with a capital letter of the destination. (e.g. 2S means the bus is bound for Sawata on Line #2, Minamisen line.   * This will become effective on April 1, 2009. 

Raise your hand so that the bus driver can easily recognize you.
(Do so at a safe location, not at a blind corner, steep slope, intersection, or areas at which it may cause traffic disruption.)

Get on from the rear door.

Take a ticket from the dispenser when you enter into the bus. Depending on the origin of buses, there may be no ticket in the dispenser. If so, you are a no-ticket passenger (NTP).

Notify the driver approx. 100m before the bus reaches your destination or,

Use stop button where Hop-on Hop-off is not available.

Find you fare by matching your ticket number with the table displayed in the bus. If you are a NTP, fare is displayed in the box of "なし" (no-ticket).