Design a base class, Road, with the following members: .
Attributes for storing the road's name, number of lanes, and maximum speed limit.
A three-parameter constructor to initialize the three attributes
Accessors and Mutators (Gets and Sets) for each attribute.
Input Validation: You should ensure that the number of lanes is always a value greater
than 0, and that the maximum speed limit is a value between 0 and 100 MPH. This input
validation should apply to both the 3-parameter constructor and the individual accessor
functions
A display function that prints the road's information in a single line format

Design a derived class, TollRoad, which inherits from Road. It should have the following members:
.
An attribute for storing the toll for using the road.
A 4-parameter constructor to initialize the three attributes of the base class, as well as
the toll
Accessor and Mutator methods for the toll.
Input Validation: You should ensure that the toll is a value greater than 0.0. This validation
should apply to both the 4-parameter constructor as well as the individual accessor
An overridden display function that displays the information of the TollRoad in a two-line
format, where the first line displays basic Road information, and a second line specifies
the current toll