Key:prison

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Public-images-osm logo.svg prison
Description
For describing the whole or part of a prison.
Used on these elements
may be used on nodesshould not be used on waysmay be used on areas (and multipolygon relations)should not be used on relations (except multipolygon relations)
Implies

amenity=prison

Useful combination
Status: in use

The prison key is used to further describe a prison complex, division, building or other type of prison area.

Further tagging allows more specificity and descriptive mapping of prisons. For instance, the access=* key would not be appropriate to distinguish between various sections of a prison, as all secure areas of a prison are generally access=no.

The  prisoner security classifications in use throughout the world vary drastically in number and name from country to country or even between sub-divisions of the same country. The security classification specific to the jurisdiction should be compared to the given values below, and the most similar value should be assigned. You may also choose to additionally tag the prison using a country suffix, and the regional name of the security classification.

Sub-keys and values

Sub-key Use
prison:classification=* To describe the security classification of the inmates who use the particular prison or part thereof, or the classification of the prison itself, which usually align with one another.
prison:age=* To describe the age category of the inmates who use the facility.
prison:protective=* Whether the building is for protective or segregated custody for the safety of the inmates within the building.
Value Description
prison=pre-release A specific facility or building that inmates are transferred to prior to their release from full-time detention. Generally with the goal of re-integrating the inmates into society, and reducing recidivism.
prison=pre-sentence A facility that persons accused/convicted of a crime are held in prior to their sentence being determined in court.
prison=pre-trial A facility that persons accused of a crime are held in prior to being tried and convicted for the offence. Usually this will be if the person has/has been refused bail.
Classification
prison:classification=super_maximum The inmates are classified as "supermax". These inmates are heavily subject to intensive, long-term solitary confinement, where communication with others (including with other prisoners) is minimal or non-existent. These inmates have very limited opportunities for recreation, education, or other rehabilitative programs. Supermax designation is usually long-term, being several years or even indefinitely long. These inmates are considered to pose an exceptional risk to the safety and good management of the prison and national security. Often, this will not be a specific designation, but a significantly smaller sub-category of maximum security, or a selection of maximum-security inmates who are deemed to pose a significant escape risk.
prison:classification=maximum This classification is the highest broad category of security classification, applied to inmates who are dangerous, disruptive, or likely to try to escape. Areas which these inmates can access are very secure, with security measures generally including both secure fencing as well as extensive electronic surveillance. This corresponds to the UK and Australia's "A" classifications.
prison:classification=medium This classification is usually the middle broad category of security classification, and is applied to inmates whom escape is made quite difficult for. Areas that these inmates can access are secure, generally with constant guard presence and secure fencing. Typically, inmates will be locked in their cells at night. This corresponds to the UK and Australia's "B" classifications.
prison:classification=minimum This classification is the lowest broad category of security classification, and is generally applied to inmates who pose minimal physical risk to the public. These inmates are still generally not permitted in open conditions without close supervision, and are therefore either always behind a secure fence or supervised. Supervision when not behind a secure fence is likely with multiple inmates to each guard. Inmates may participate in various community programs or projects, such as collecting litter, but are always supervised when not within a secure area. This corresponds to the UK's "C" classification and Australia's "C1".
prison:classification=supervised This classification may be used for facilities where inmates are supervised, but which are not physically secure, i.e., there is no fence which is capable of stopping an escape. Inmates still may be subject to electronic surveillance, e.g., through ankle-monitors.
prison:classification=open This classification is used for open prisons, where inmates receive minimal supervision, and are not physically secured.
Age
prison:age=juvenile For facilities or services which are provided to people who are considered minors or children under law. This is normally people under the age of 18 years old. This is likely different to the age of consent under law, and may be different to the age at which smoking, drinking alcohol, or gambling is legal within the particular jurisdiction.
prison:age=adult The implied value of this subkey, which is for facilities or services which are provided to people who are considered adults under the law of their jurisdiction. Mutually exclusive and opposite to the prison:age value.
prison:age=elder For facilities which specifically house older inmates.

Additional tags

Additional tags which should always be applied to prisons include male=*, female=*, unisex=*, or gender_segregated=*, as the case may be. The gender_segregated=* tag should only be used on a whole facility where there is segregation of inmates according to gender within the facility, whereas unisex=* is used whenever inmates with different genders are allowed to co-mingle.

Possible tagging mistakes

If you know places with this tag, verify if it could be tagged with another tag.
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