career spanned forty years, during which time he contributed extensively
to the advancement of the science of transportation engineering as a
practitioner, researcher, educator, and author. Among his best known accomplishments are his work in highway
capacity and traffic signal systems. He contributed extensively to the work of committees of the Transportation Research Board and the National Committee on
Uniform Traffic Control Devices serving most recently as the chairperson
of ITE's delegation.
Jim authored or co-authored several well-respected and
time-honored publications, including Fundamentals
of Traffic Engineering, now in its 12th edition; ITE's Manual
of Traffic Signal Design, now in its 2nd edition; the Traffic Detector Handbook; and chapters in TRB's Highway
Capacity Manual and the forthcoming ITE Transportation
A literature search in traffic engineering will yield numerous
citations to the many papers and presentations that Jim authored during
his distinguished career.
many contributions to the transportation profession have not gone
he was recipient of Tau Beta Pi's Eminent Engineer of the Year
Award; the 1981 Theodore M. Matson Award, which honors outstanding
contributions to the field of traffic engineering; and the 1987 Purdue
University Distinguished Engineering Alumni, and he was chosen to be an
Invited Speaker at the 1984 Australian Road Research Board annual
In 1990, he became the first transportation engineer to be named
Engineer of the Year by the Engineers' Joint Council of the San
Francisco Bay Area.
1971 Jim founded JHK & Associates, after serving as a principal in
its predecessor firm, Peat, Marwick, Mitchell and Company.
At the time of his death, Jim was chairman of the board of JHK
& Associates, which had grown to a firm with offices in 19 cities
and with 270 employees.
loved to teach.
Early in his career, he served as a research assistant at Purdue
University and from 1954 to 1962 as research engineer and lecturer at
the University of California at Berkeley. Throughout
his career he continued teaching, as a lecturer to undergraduate and
graduate classes and as an instructor for numerous professional
Thousands of transportation engineers have benefited from his
was dedicated to ITE.
He joined in 1951, as an undergraduate student at Purdue.
He was active in technical and administrative committees at the
section, district, and international levels.
He spoke at hundreds of meetings and in numerous countries.
Jim contributed extensively to the ITE Technical Council, serving
as a committee member, committee chair, head of Transportation
Operations Department, as vice chairperson, and as chairperson.
In 1985, in recognition of his leadership and visionary thinking, ITE's members
elected Jim international vice president; in 1986, he was elected
Jim encouraged others to join ITE, he extolled the
benefits of belonging to the professional society, and he encouraged
active participation in, and contribution to, ITE's programs.
Long hours, crammed schedules, and annual airline mile loggings
in the 100,000's were the norm for him.
But he always made time to attend Institute meetings and
He enjoyed the opportunity to be with his many friends in ITE's "family."
His enthusiasm for the Institute knew no bounds, and he was
thoroughly dedicated to his chosen profession.