Lightning Quiz – Lecture 21

Which of the following is true?

• (a) In SO, no traveler can improve their travel time by switching routes

• (b) In UE, travelers act independently, ignoring their impact on others

• (c) In UE, total system time is minimized

• (d) In SO, all used routes have identical average travel times

Closing a road segment is guaranteed to improve the traffic of a road network because of Braess’ paradox.

• (a) True

• (b) False

In which of the following transportation-related scenarios is static analysis not appropriate?

• (a) Introducing a new highway in Atlanta

• (b) Managing the impacts of a major accident during a morning commute

• (c) Adding a new route to GT Stinger

• (d) Installing electric vehicle charging stations throughout the GT campus

Which of the following cannot happen after adding a new link to a traffic network?

• (a) Increase in UE travel time on all used paths

• (b) Decrease in UE objective value

• (c) Increase in SO objective value

• (d) Decrease in SO objective value

In the following figure, if route 3 is the only unused route under SO, which of the following is not necessarily true?

• (a) M1 = M2

• (b) M1 ≤ M3

• (c) M3 > M2

• (d) M3 ≥ M2