## A Network Extraction Approach to the Network Aggregation Problem |

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### Contents

I | 6 |

DEVELOPMENT OF A NETWORK EXTRACTION ALGORITHM | 21 |

EXPERIMENTATIONS AND FURTHER REMARKS | 50 |

4 other sections not shown

### Common terms and phrases

30 links aggre aggregate link aggregate network aggregation problems aggregation process ALPHAM assignment CN CN CN computational Conservation of flow Decrease in veh detailed network electrical networks entry type equilibrium flow problem example Extracted Links flow over link Frank-Wolfe algorithm gate network given budget level H rH identified insignificant links Lemma Level of aggregation line search link extraction Link Numbers link travel maximum number method network aggregation network design problem network extraction Number of Extracted number of links number of nodes O/D trip matrix objective function optimal project set original network Poorzahedy l6 procedure proposed algorithm pseudo-links rH CN CN rH H rH rH rH ro CN ro ro ro set of links shortest path Solution of Network solved subnetwork subroutine Test Network total travel cost Total vehicle hour user equilibrium flow values variables vehicle-hours Zone Centroid