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Zonegreen specialise in modern rail depot protection and are regarded as the world market leaders with the SMART Depot Personnel Protection System (DPPS). Designed to provide the safest and most efficient method of controlling depot train movements, DPPS is installed at depots throughout the UK and across work.

DPPS has been independently certified to meet the hardware and software safety integrity requirements of SIL2, is fully and independently EMC tested, and is also compliant with all current railway standards. Continued research and development projects have ensured Zonegreen’s reputation as a global leader in depot safety systems.

Zonegreen’s SMART DPPS is a proven ‘off-the-shelf’ product providing excellent reliability and functionality, which can be configure to the clients precise requirements.