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98 Monthly Lab. Rev. 43 (1975)
Research Summaries

handle is hein.journals/month98 and id is 799 raw text is: WORK SCHEDULES AND
THE RUSH HOUR
JANICE NEIPERT HEDGES
WORKERS IN MOST urban areas encounter heavy
traffic congestion as they commute to and from work.
Morning and evening, the rush hour phenomenon
consumes time that could be spent in work or leisure,
contributes to stress, wastes automobile fuels in start-
stop driving, and pollutes the. air. It strains urba.
transportation facilities for brief periods daily ano
leaves excess capacity at others.
Rush hour traffic is not confined to commuter
trips. Shoppers, students, and tourists are among
those who may be traveling at the same hours as
workers. Nonetheless, journeys between home and
work make up almost one-third of all vehicle miles
of travel,, and a far larger proportion during the
peak commuter hours.
To gain insight into the prevailing patterns o
beginning and ending hours of work, data were
collected from the Current Population Survey (CPS)
in May 1973 and May 1974.2 Two questions pro-
vide data on the hours that nonfarm wage and
salary workers usually start and stop work on their
sole or principal job. The questions are: At what
time of day did . . . begin work on this job most
days last week? and At what time of day did ...
end work on this job most days last week? Starting
and stopping times were reported to the nearest
hour.
The responses to these questions reveal national
patterns in starting and stopping hours. The situation
in any given labor market may differ substantially
and can only be identified through local surveys.
Findings
These data show a sharp peak in starting time
around 8a.m. and an even sharper peak in stopping
time, around 4 p.m. (See chart 1.) Twenty-six

million wage and salary workers, almost two-fifths of
the total, usually start work at or about 8 o'clock.
Thirty-seven m.llion workers, more than half of the
:')tal, usually stop work at or about 4 o'clock.
These two daily peaks predominate in both goods-
and service-producing industries and in government.
(See table 1.) ioe principal deviations are in manu-
facturing and in mining, in which both 7 a.m. and
8 a.m. are prime starting times and, in finance, in
which about equal numbers begin at 8 a.m. and 9 a.m.
The prominence of the morning and afternoon
peaks is attributable in part to the fact that far
more full-time wag, and salary employees usually
work from 8 a.m. to 4 p.m. (19 million) than any
other schedule. (See table 2.) In addition, almost I
million part-time workers work from 8 a.m. to 4
p.m. I to 4 days a week.4 Full- and part-Eiri,
employees on this daily schedule make up about
three-fourths of all wage and salary workers who
usually begin work at the morning peak.
The 8 a.m. to 4 p.m. schedule is a somewhat
smaller component in 4 o'clock departures, account-
ing for one-half of the-workers who stop at that
hour. Four p.m. is quitting time as well for a majority
of full-time employees who begin at 7 a.m, or 9
a.m., and for a substantial minority who begin as
early as 6 a.m. or as late as 10-11 a.m.' It also is
quitting time for over 2 million part-time workers
in addition to those on 8 a.m. to 4 p.m. schedules.
Traffic around 4 o'clock is further exacerbated by
the 4 million full- and part-time employees, in
roughly equal numbers, who start work at that
hour.
As chart 1 shows, part-time workers exhibit a
more even distribution in beginning and ending
hours than those on full-time schedules. About the
same number start work at 8 a.m. and 9 a.m. and
almost as many start at 4 p.m. Although the largest
number of part-time workers stop at 4 o'clock, the
Janice Neipert Hedges is an economist in the Division of
Labor Force Studies, Bureau of Labor Statistics.

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