Private companies with service to nearby countries sell tickets ahead of time, run on set schedules, and might have air-conditioned buses. In addition, public service taxis provide service within the country. The service taxis do not sell tickets ahead of time. Service taxis depart when full and passengers pay the driver at the beginning of the trip.
People also use special taxis to travel to and from nearby countries.
The taxis are spacious cars that depart when full. Taxis are more expensive than private buses.