The toll road is a public or private road for which a toll tax (or toll) has to be calculated for transit. It is also known as the turnpike or tollway/toll tax. It is a generally implemented kind of road pricing to assist recover the expenses of road construction and maintenance. Toll taxes are often collected at toll plazas, toll booths, toll houses, toll stations, toll bars, or toll gates. The users must go to a queue and pay the toll rate, and when the correct toll price has been paid the collector unlocks the door. To save expenses and minimize delays of traffic, several charges will be collected with electronic toll collecting equipment which communicates automatically with the toll payer's transmitters which are now called FASTag.