This paper is collaborative in every respect. Jacobs conceived of the study and was the overall director of the research. Macdonald administered the project. Detailed tasks were jointly organized and fieldwork was done by all four authors, usually in groups of two or three. Marsh and Wilson...

The focus of our concern is a specific type of boulevard, the multiple roadway boulevard, which is designed to separate through traffic from local traffic. It consists of a central roadway, generally at least four lanes wide and used for fast and non-local traffic, and tree-lined medians, access...

This study and report was born of experience with boulevards and -- following research on the safety characteristics of such roads -- driver and pedestrian behavior on them, their physical design quantities, and existing standards and norms that effectively govern their construction, develops a...