Clicking on each of the descriptions and associated links below provides additional information. This additional information includes: who might be involved in trespass; whether it is a group or solo activity; suggestions on possible motivations and other influencing factors and finally typical behaviours linked to these trespass types and suggested interventions. 

The interventions are displayed in a hierarchy (i.e. physical barriers prioritised over interventions like warnings). It should be noted that in practice there will be many factors that will influence the final choice of interventions. Please note the advice provided here does not include events such pre-suicidal and suicidal behaviour and misuse of a level crossing, other than to shortcut on to a platform, are not considered trespass events.

Click on the following links to find out more about each of the following trespass events: