Traffic Management The Outer Village Town Council has decided to convert its (rather quiet) main street, Broadway, to a one-way street but is not sure of the direction of most of the traffic. The accompanying diagram illustrates the downtown area of Outer Village as well as the net traffic flow along the intersecting streets (in vehicles per day). (There are no one-way streets. A net traffic flow in a certain direction is defined as the traffic flow in that direction minus the flow in the opposite direction.)
a. Is the given information sufficient to determine the net traffic flow along the three portions of Broadway shown? If your answer is yes, give the traffic flow along each stretch. If your answer is no, what additional information would suffice? [HINT: For the direction of net traffic flow, choose either east or west. If a corresponding value is negative, it indicates net flow in the opposite direction.]
b. Assuming that there is little traffic (fewer than 160 vehicles per day) east of Fleet Street, in what direction is the net flow of traffic along the remaining stretches of Broadway?
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