Howard S. Lapin prepared planning and feasibility studies for metropolitan systems of airports, heliports, and small-craft harbors; and various types of planning or financial studies for transit, highway, and parking facilities. For the Philadelphia Urban Traffic and Transportation Board, he undertook a number of studies preparatory to commuter rail-subsidy and highway development plans. He published a number of transportation planning studies in technical journals and was employed in his field with research staffs of the University of California and the University of Pennsylvania.
Introduction
I Previous Studies
II The Character of Work Travel
III Work-Trip Origins: Persons and Places
IV Confluence at Workplace Destinations
V Factors of Change in Patterns of Work Travel
VI Suggestions and Conclusions
Glossary
Appendices
A: Locating Districts of Employment in Cities
B: Estimating the Interchange of Workers Among Cities
C: Work-Trip Data-Sources, Terminology, Precision, and Completeness
Selected Bibliography
