toll – n. an amount of money that you are required to pay for the use of a road or bridge

encourage – v. to make (someone) more determined, hopeful, or confident

congestion - n. the state of being too full or crowded with something

prime – adj. of the highest quality or value; excellent

license plate - n. a metal plate on a vehicle that shows a series of numbers and letters that are used to identify the vehicle

abandon – v. to stop doing or having (something) or to give up (something) completely

terrific – adj. informal : extremely good

substantial - adj. large in amount, size, or number

(mass) transit - n. the system that is used for moving large numbers of people on buses and trains

route – n. a way that someone or something regularly travels along