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Geographic Information Systems

Crime Prevention Through Environmental Design (CPTED)

The Crime Prevention Through Environmental Design (CPTED) program is a collaboration between the GIS Lab, the Governor’s Office of Crime Control and Prevention (GOCCP), and six safe streets organizations in Maryland that seeks to use environmental analysis to help communities pinpoint their highest crime neighborhoods to help reduce risk factors.

Our analysts are working in collaboration with six safe streets organizations across Maryland–in Annapolis, Salisbury, Harford County, Cumberland, Frederick, and Hagerstown– to identify neighborhoods that are at high risk for crime.

In order to do so, the analysts working with the CPTED program take and analyze video of neighborhoods in these communities. The homes in the videos are matched to parcel data and are rated based upon their house maintenance, landscape maintenance, surveillance measures, and access control measures. The buildings are then input into an ArcGIS map that allows the communities to visualize the at-risk neighborhoods and pinpoint them for crime prevention.

The six safe streets communities are able to use our analyses and community maps to create plans to target crime prevention in the most at-risk communities.

This map shows the area of Salisbury, MD between the Hospital and Salisbury University.