Final answer:
A steady green light over a toll booth signifies that the toll has been paid and the vehicle is cleared to proceed. Steady green lights are commonly used in toll booths and other transportation systems to ensure a smooth flow of traffic and to communicate to drivers that their payment has been accepted.
Step-by-step explanation:
A steady green light over a toll booth signifies that the toll has been paid and the vehicle is cleared to proceed.
It indicates that the transaction is complete and the driver can continue their journey without any further action required.
For example, when a car approaches a toll booth, it usually stops and pays the toll fee.
Once the payment is made, the toll booth operator or an automated system will raise a barrier or change the signal to a steady green light, indicating that the vehicle can now pass through without any obstacles.
Steady green lights are commonly used in toll booths and other transportation systems to ensure a smooth flow of traffic and to communicate to drivers that their payment has been accepted.