Three steps Security system can be considered for the security of Rail/Bus/Etc.
Step One:- the rail Coach/bus/railway trach etc once must be checked 100 % risk fee and the same may pls be insurred by the Concern skilled officer.
Second Step:-then One sensor is installed at a safe place and such sensor is connected with any remote control centalised security system being 24 hours observed.If any thing which interred into any rail coach/bus/rail rack/ airport/ aeroplane etc can further classified as risk free and hazardeous.
Thirs Step:- All Hazardeous things can be detected by the sensor and the things can be made 100 % safe.