Public Transportation - is a generic array of transportation helps people to move from one location to another collectively (without use their own vheicles). In many cases public transport system is supervised by government and / or urban. Public transport is also within the cities and roads between - divided urban mass transit system (trains, buses) or individual passenger's transportation (taxis), pre-defined path or track adapted. Lines of public transport timetables are, depending on frequency and frequency of use. Public transportation, providers now also by private suppliers (Private Transfer Companies), respectively, give the service the customer's demands (government or private).