Tolls that drivers pay to use toll roads, the fares that riders pay on buses and trains, and the tuition that students pay at public universities are examples of the government making a good (Click to select)

a. rival
b. nonexcludable
c. nonrival
d. excludable

Answer: These are all excludable goods.
An excludable good or sevice is one where the owner/producer of the good can restrict the consumption of the good by charging a price for the good.
Tolls paid by drivers on toll roads ensure only they have permission to use the road, thereby making the road excludable from those who doesn't pay the toll.
Fares that riders pay on buses and trains ensure that only those people can avail a bus ride those who have the means to pay for it, thereby controlling overcrowding in public transport.
Fees paid by students at Public universities ensures access to University by those students who can afford the same, thereby making the good an excludable good.