Local area freight networks (LANs) are used to collect and distribute freight within metropolitan regions. Focusing on common carriers, this paper classifies LAN topologies, then shows how the optimal topology depends on demand characteristics. Continuous space approximations are used to analyze...

This paper introduces the theme of the special issue and lays a foundation for arguments concerning the potential usefulness of Object-Oriented Geographic Information Systems (OOGIS) for the development and testing of dlsaggregate behavloral travel models. It also states goals for Intelhgent...

The aim of this paper is to encourage those interested in applied geographical research to broaden their horizons to consider exciting new areas where geographical expertise has much to offer. A brief overview of dominant past trends is followed by a suggestion to apply geographical knowledge...

The authors present an examination of the relationship between cognitive maps and travel behavior in urban environments. They discuss transportation-related issues such as the cognition of transportation networks, path selection, wayfinding and navigation. They examine problems of selecting...

Our purpose is to explore the travel behavior of blind or vision impaired people, focusing in particular on travel by bus. We differentiate the sample depending on the availability of a household car. We examine perceptions of and attitudes toward existing transit and various transit...

To better understand how road congestion adversely affects trucking operations, we surveyed approximately 1200 managers of all types of trucking companies operating in California. More than 80% of these managers consider traffic congestion on freeways and surface streets to be either a "somewhat...

This article reports on a survey of the use of buses in Santa Barbara, California, by 55 persons who are visually impaired (including those who are blind and those who have low vision). Findings on users’ frustrations, potential use of technological aids for travel, and perceptions of and...

Freight transportation plays a vital role in the economy of the nation and the state of California in particular. The value of total freight shipments originating in California in 1997 is estimated $638.5 billion, 10.6 percent of all US shipments by value. This represents 706.5 million tons of...

Modern panel surveys frequently suffer from high and likely non-ignorable attrition, and transportation surveys suffer from poor travel time estimates. This paper examines new methods for adjusting forecasts and model estimates to account for these problems. The methods we describe are...

Efficient maritime transportation is heavily dependent on the smooth operation of land transportation. Swift modal transfers are key to successful intermodal operations. In this paper we examine the efficiency of maritime intermodal transfer facilities in California, from the point of view of...