4. The technology is now developing so that road use can be priced by computer. A computer in the surface of the road picks up a signal from your car and automatically charges you for the use of the road.

a. How could this technological change contribute to ending bottlenecks and rush-hour congestion? Demonstrate graphically.

b. How will people likely try to get around the system?

c. If people know when the prices will change, what will likely happen immediately before? How might this be avoided?