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Input | The travel demand of OD pair; |
the network topology; |
the streets characteristics covering lanes number, capacity, travel time specifications, and travel time of free flow; |
decision variables bound both or lower and upper level, examples are maximum toll level or maximum capacity increase |
(5) the available budget; |
(6) each single project cost; |
(7) candidate network improvement projects |
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Decision variables | Topological variables: street capacity expansion; directions of links; new street construction; one-way street consideration; |
parking variables: parking allowed or not; |
fare variables: parking or road pricing; |
signal setting variables: green times ratio, cycle length, phase plan of signalized intersections, turning restrictions at intersections |
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Constraints | The budget constraint; |
cycle time constraints; |
capacity constraint; |
lower and upper bound constraints; |
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Decision objective | Reserve capacity maximization; |
consumer surplus maximization; |
travel cost minimization; |
construction cost minimization |
(5) total vehicle miles’ minimization; |
(6) total travel distances minimization; |
(7) total societal cost minimization; |
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