ITE Journal - June 2021 - 45

TOOL

Recommended Actions
to Help Transportation Agencies
Implement the Highway Safety Manual

P

By Darren J. Torbic, Ph.D. (M)
erformance-based processes that use data-driven safety performance measures
offer potential for state and local transportation agencies to reduce the number
of traffic fatalities and serious injuries that occur on the nation's highways and to
make informed decisions to reduce project and operating costs. The American

Association of State Highway and Transportation Officials (AASHTO) Highway Safety Manual
(HSM) provides safety knowledge and tools to facilitate improved decision making based on
safety performance.1 The HSM enables transportation agencies to use performance-based
statistical approaches when designing for the safety performance of a facility, rather than
simply adhering to traditional design policies and standards, such as the AASHTO A Policy on

Shutterstock/Trong Nguyen

Geometric Design of Highways and Streets and the Manual on Uniform Traffic Control Devices.2,3

w w w .i t e.or g

J u ne 2021

45


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ITE Journal - June 2021

Table of Contents for the Digital Edition of ITE Journal - June 2021

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