National Joint Committee on Uniform Traffic Control Devices

“ Harry Porter, Jr., Executive Secretary, Traffic Conference, National Safety Council, Chicago, Ill.
C. W. Stark, Consultant, Washington, D.C.
C. W. Woodson, Superintendent, Department of State Police, Richmond, Va.
From the National Association of County Officials
J. L. Doyne, Chairman, Board of County Supervisors, Milwaukee, Wis. (NACO group chairman)
Rex Hartley, County Commissioner, Salem, Ore.
From the American Municipal Association
Donald Wagner, Managing Director, Philadelphia, Pa. ”

“ Warrants for Lane-Use Control signs 38
1B-20. Location of Lane-Use Control signs 38
1B-21. Do Not Pass sign 39
1B-22. Pass With Care sign 39
1B-23. Slower Traffic Keep Right sign 40
1B-24. Signs for uphill traffic lane 40
1B-25. ”

“ J. E. P. Darrell, Traffic Engineer, Minnesota Department of Highways, St. Paul, Minn.
J. L. Stackhouse, Maintenance Engineer, Washington State Highway Commission, Olympia, Wash.
I. L. Thomas, Jr., Traffic and Planning Engineer, State Department of Highways, Baton Rouge, La.
From the Institute of Traffic Engineers
W. S. Smith, Wilbur Smith and Associates, New Haven, Conn. (ITE group chairman)
M. E. Bruening, City Traffic Engineer, Milwaukee, Wis. ”