ITE Journal - July 2021 - 37

INDUSTRY UPDATE
Looking Back, Look Forward:
Manual on Uniform Traffic Control Devices
By Jeffrey A. Lindley, P.E. (F) and Sarah Abel (M)
A
t the turn of the 20th century, the dawn of the automobile ushered in a new
age for transportation in the United States. This technology was heavier, faster,
and more dangerous than other forms of transportation at the time, but no
uniformity existed around how the automobile should operate. Motorists were
largely left to fend for themselves, causing hazardous situations for drivers and pedestrians alike.
Out of this desire for safe and orderly movement of the car arose the need for traffic control
devices-signs, traffic signals, and pavement markings.
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ITE Journal - July 2021

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