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1.3 Snoqualmie Pass Comprehensive Safety Plan I Kittitas County Safe System Approach The CSAP is built around the "Safe System Approach," founded on the principle that people make mistakes, and that the road system should be adapted to anticipate and accommodate human mistakes.. It acknowledges the vulnerability of the human body when designing and operating a transportation network so that if collisions occur, they are less likely to result in serious human injury. ln a Safe System, interventions are applied proactively and systemically, meaning they are deployed across a network or a group of locations sharing similar roadway or land use contexts. This systemic approach helps to reduce the potential for fatal and serious injury collisions. Vision Zero Vision Zero is a global traffic safery movement founded on the beliet that trattic-related deaths and serious injuries are preventable, and that even a single fatality is unacceptable. Its success depends on applying the Safe SystemApproach to create a transportation neEwork that protects all users.t Kittitas County is committed to creating safer roads for all and proudly supports Washington State's Target Zero initiative, which seeks to eliminate all traffic fatalities and serious injuries on public roadways by 2030.+ This commitment is shared by neighboring King County, whose Target Zero Vision Statement describes "a future without collisions, injuries, and fatalities, where all people can travel safely and securely throughout King County, WA."s Together, Kittitas Councy, King Councy, andWashington State are working toward this sharedvision of a safer future for everyone. ' https://srfetv fhwa.dot.gov/hsin/docs/fhwasa201 8 odf t https://hiphwavs.dot.gov/saf etv/zero-deaths i httns://tarsetzero.com/ 5 httns://kinsaountvtareetTero com/ 37a z xm U =6zfau Figure 1. Safe System Approach Wheel Source: FHWA. s€R\ous INJURIES 4p5 d.*- SHAREO The Safe System Approach focuses on five key elements-safe road users, safe vehicles, safe speeds, safe roads, and post-crash care, integrated through a range of interventions (Figure 1). These interventions include: Alerting users to potential hazards. Separating users in physicalspace (e.g., sidewalks, dedicated bicycle facilities). !r-_ry-*-i Separating users in time (e.g., time for pedestrians to start crossing the street before cars begin turning, and signalized left turns). Slowing or managing vehicle speeds. t"- Discouraging or prevent risky behaviors. Accommodating human injury tolerance through interventions that reduce impact speed and transfer of kinetic energy. 7Zt-r *-.:!'to-=t=ffiffi I'lI'' ,{ trl i c -,-,, I