peak traffic hours, many
cars are travelling from a downtown parkade to the nearest freeway
on-ramp. The traffic engineers have decided to widen roads
downtown to accomodate this heavy flow of cars traveling between these
two points. Which roads should the engineers widen in order
to achieve this goal?
Below is a network that shows the roads connecting the parkade, node A,
to the freeway on-ramp, node G. The arcs are labeled with
their directional flow.
shows that A to B
has a capacity of 5, while B to
A has a capacity of 0.
Press the Start button twice to begin the example and find out
which roads should be widened.