|The Effectiveness of CPTED Projects and Crime Prevention Facilities
|오하늘(Oh, Ha-Neul) ; 손동필(Son, Dong-Phil) ; 강석진(Kang, Seok-Jin)
| CPTED; Crime Prevention Facility; Hotspot Analysis; Buffer Analysis
|This study aims to assess the effectiveness and scope of influence of crime prevention facilities implemented within the context of the Crime
Prevention Through Environmental Design (CPTED) project area. The analysis, which focused on 13 types of 351 facilities across seven
research areas, studied crime patterns before and after the project. The research methodology encompassed various analyses, including crime
rate changes in project areas and administrative dongs, alterations in crime types and hotspot distributions, facility density’s correlation with
crime, and crime analysis within a specific radius. This study innovatively employed a facility-centric buffer analysis coupled with hotspot
analysis, distinct from prior research. The average reduction rate for the five primary crime types was -61.0% within one year. Crime
decreased in three areas post-project, with a higher reduction rate compared to administrative dongs. The most effective areas in the CPTED
project included theft or burglary, property crimes, and street crimes. Areas around crime prevention facilities exhibited diminished crime
clusters and concentrations or hotspots. Statistically significant crime reductions were noted on streets with three to four installed facilities.
Lastly, through a facility-oriented buffer analysis at intervals of 10 meters, this study identified the longest impact ranges of certain facilities.
CCTV information signs and village etiquette signs displayed an impact range of 60 meters and 50 meters, respectively. External pipe
intrusion prevention facilities and safety village information signs proved effective in deterring intrusion-related crimes. Meanwhile,
logo-jecters, CCTV information signs, reflectors, and electric pole maintenance with location numbers demonstrated effectiveness in curbing
street crimes. Additionally, door reflection sheets and electric pole maintenance with location numbers were found effective in reducing
interpersonal crimes, and logo-jecters along with CCTV information signs were successful in addressing night-time crimes. In particular, door
reflection sheets and wall maintenance including painting, which despite doubts about their efficacy, are extensively utilized in CPTED
projects, and they have indeed demonstrated certain crime prevention effects.