How tall do you have to be to ride in the passengers seat in Washington?

Is amtrak a diesal or electric train? What type of bus is used by express card slots? How can people hear a train when they put their ears to the train tracks? Which Canadian capital city is known as ''the crossroad city''? How did the steam locomotive change America? Can a 19 yr old rent a car in florida? How much does it cost to fly round trip to Austin TX from Peoria il.? Why do many London underground tube stations have two escalators going up but only one going down? What was some transportation in the 1690s? How much does a Greyhound bus from Hattiesburg Ms to Fayettville Ark cost? Where was the first freight train invented? How far is southport train station from beach? How much does it a nice limo cost? How do steam trains travel? How many people ride on each train? What is the busiest highway in the US? What is 100 mot tram don worth? What are transportation challenges? What transportation was used in 1850? On a traffic light which position is the green light?