John E. Tyworth

Traffic Management: Planning, Operations, and Control  John E. Tyworth Joseph L. Cavinato C. John Langley Hardcover. Waveland Press, 1991-09-01 ISBN 9780881336177     Traffic Management: Planning, Operations, and Control  John E. Tyworth Joseph L. Cavinato John C., Jr. Langley Hardcover. Addison-Wesley, 1987-03-01 ISBN 9780201065046