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Safer By Design
CPTED - Crime
Prevention Through Environmental Design
Five examples of cities who embrace CPTED
Salem, Oregon
Tampa, Florida
Wichita, Kansas
Vancouver, Washington
Richmond, Virginia
Crime prevention through environmental design
(CPTED) is a multi-disciplinary approach to
deterring criminal behavior through
environmental design. CPTED strategies rely upon
the ability to influence offender decisions that
precede criminal acts. As of 2004, most
implementations of CPTED occur solely within the
built environment. |
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CPTED cartoon
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The Four
Strategies of CPTED
1. Natural Surveillance
A design concept directed primarily at keeping
intruders easily observable. Promoted by
features that maximize visibility of people,
parking areas and building entrances: doors and
windows that look out on to streets and parking
areas; pedestrian-friendly sidewalks and
streets; front porches; adequate nighttime
lighting.
2. Territorial Reinforcement
Physical design can create or extend a sphere of
influence. Users then develop a sense of
territorial control while potential offenders,
perceiving this control, are discouraged.
Promoted by features that define property lines
and distinguish private spaces from public
spaces using landscape plantings, pavement
designs, gateway treatments, and "CPTED" fences.
3. Natural Access Control
A design concept directed primarily at
decreasing crime opportunity by denying access
to crime targets and creating in offenders a
perception of risk. Gained by designing streets,
sidewalks, building entrances and neighborhood
gateways to clearly indicate public routes and
discouraging access to private areas with
structural elements.
4. Target Hardening
Accomplished by features that prohibit entry or
access: window locks, dead bolts for doors,
interior door hinges.
Additional Resources
CPTED Watch
Community
Development & Crime Prevention Institute
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