Virtually all large cities and towns offer some form of public transport, among them buses and taxis which means going around in Netherlands is not a problem.
Info about almost all kinds of public transport in Netherlands which includes airlines, airports in Netherlands, bus routes, driving maps and trains in Netherlands are available at this website.
The tables underneath will cover additional information regarding the travel methods to get around Netherlands: Travel by rail, travel by air, and travel by bus and car.
Airports in Netherlands
Public Transport in Netherlands
Dutch Public Transport Questions