1. Road traffic considered as a random series;ADAMS;J. Instn Civ. Engrs,1936
2. AMERICAN ASSOCIATION OF STATE HIGHWAY OFFICIALS. A Policy on Arterial Highways in Urban Areas, 1957; A Policy on Geometric Design of Rural Highways, 1965; A Policy on Design of Urban Highways and Arterial Streets, 1973, Washington.
3. The Theory of Road Traffic Flow;ASHTON,1966
4. A note on the selection of gap acceptance criteria for traffic simulation studies;ASHWORTH;Transportation Res.,1968
5. Traffic delays at priority-type intersections;ASHWORTH;Proc. Instn Civ. Engrs,1970