WIT Press


A Modelling System For Estimating Freight Quantities Attracted By Cities

Price

Free (open access)

Paper DOI

10.2495/UT110361

Volume

116

Pages

12

Page Range

423 - 434

Published

2011

Size

3,316 kb

Author(s)

A. Comi & E. Conte

Abstract

The paper proposes the calibration of a modelling system that allows us to simulate the end-consumer mobility in order to obtain the freight quantities attracted for satisfying their needs, also disaggregated for freight types. The models were developed using the results of various surveys carried out in a suburb in the city of Rome where more than 200 households were interviewed. The shopping journeys, considering both home-based trips and non home-based trips (e.g. home-work-shopping-work-home), have been pointed out. Different models have been calibrated in relation to different aggregation levels of freight types and end-consumers. Keywords: urban goods movements, attraction models, transport demand model, city logistics. 1 Introduction In the sphere of sustainability, many cities around the world have implemented different types of measures in order to reduce the impacts of freight transport. Consequently, identification and classification of implementable measures, and models for the simulation of different scenarios are required for their assessment. As demonstrated by several studies [1, 2], freight mainly reaches cities to satisfy the end-consumer’s demand. Consequently, urban freight transport is mainly the result of restocking of retail activities. In literature, some models have been developed to simulate aspects of the restocking process without starting from the end-consumer demand. Others treat goods movements starting from consumer needs and/or from her/his activities. In the ex-ante assessment of city logistics scenario, considering these interactions between goods and passenger/person movements is crucial because

Keywords

urban goods movements, attraction models, transport demand model, city logistics