A Guide to Applying the Safe System Approach to Transportation Planning, Design, and Operations (2025) / Chapter Skim
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6 Safe System Law Enforcement
6 Safe System Law Enforcement
Pages 49-56
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From page 49... ...
The AAA Foundation for Traffic Safety's 2022 Traffic Safety Culture Index study found that 40 percent of drivers stated they had exceeded the posted speed limit by 15 mph on a freeway in the past month, and nearly 30 percent reported exceeding the speed limit by 10 mph on a residential street (AAA Foundation for Traffic Safety 2023)
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From page 50... ...
• Observe, document, and share risk patterns with road designers and planners. Work Collaboratively to Investigate Serious Crashes and Share Contextual Insights In 2017 the NSC reviewed crash reports from all 50 states and Washington, DC, and found that critical data were vastly underreported.
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From page 51... ...
Both systems are examples of protective policy systems that could be employed, especially for habitual speed violators, to promote safer speeds. Observe, Document, and Share Risk Patterns with Road Designers and Planners A real potential for change comes with law enforcement personnel observing, documenting, and sharing risk patterns with road designers and planners rather than conducting isolated enforcement operations (Blank, Sandt, and O'Brien 2020)
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From page 52... ...
. Implementing Safe System Law Enforcement Practices Safe System law enforcement strategies and practices advance coordination with other pro fessional disciplines to investigate serious crashes; enforce road-user protective policies; and share observed risk patterns with planners, engineers, and policymakers.
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From page 53... ...
for alcohol- and drugimpaired-driving offenses Instituting or Promotes seatbelt enforcing a usage so that in the statewide primary event of a crash, − − − Medium enforcement seat- the outcome may belt-use law, which be less severe would require occupants to wear seatbelts in both the front and back seats and allow law enforcement officers to ticket occupants for not wearing a seatbelt, without other citable traffic infractions taking place Instituting high- Increases the visibility certainty of saturation patrols offenders being − − Medium for alcohol- or caught for driving drug-impaired impaired and can driving remove impaired drivers from the road Requiring alcohol Lowers the ignition interlocks potential for DUI installed for all offenders to drive − − Medium drivers convicted impaired without of driving under police intervention the influence (DUI) Instituting or Promotes helmet enforcing a usage so that in the statewide universal event of a crash, − − − Medium motorcycle helmet the outcome may law, which would be less severe require all motorcyclists to wear U.S.
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From page 54... ...
that of punishment for use revenues to offenders fund safety infrastructure Implementing Reduces the red-light camera prevalence of red enforcement that light-running given − − Medium uses revenues to the certainty of improve safety punishment for offenders Linking police Provides a more with emergency accurate and medical service comprehensive − − − Medium (EMS) /hospital understanding of data for persons the harm induced injured in motor by road trauma that vehicle crashes may not be available within crash data Forming a task Strengthens the force or investigation of community crash causes and − − − Low coalition of law provides contextual enforcement, information that transportation, can be used to public health, inform changes to members of the policies and community, and infrastructure other partners to investigate serious crashes (either before or after the crash report is complete)
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From page 55... ...
They might also conclude that an alcohol ignition interlock program can reduce offending drivers' and other road users' exposure to serious crash risk, and the likelihood of serious crashes on the road network. At this point, a team should reflect on whether a selected safety practice: (1)
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From page 56... ...
include rising numbers of impaired driver apprehensions, rising impaired driving-related serious and fatal injury, growing negative feedback on the installation of ignition interlocks, costly changes to vendor contracting and terms, and more. Improve learning of practice • Learning about practice performance requires consistent measurement performance to make necessary of practice performance indicators such as the proportion of drivers adjustments to shore up practice driving impaired, the number of serious and fatal injuries in ignition performance or to change up the interlock program areas, law enforcement personnel and public practice altogether.
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