Caution: This Room Is Protected by a CO₂ Fire Extinguisher System Safety Sign (M171) Size:440x440 mm The Buses and Midi-Buses Only

The Buses and Midi-Buses Only road sign (R135) is a regulatory command sign used to indicate that only buses and midi-buses may proceed beyond the sign or use the marked lane or route

It provides advance notice so drivers can reduce speed and prepare to yield where required

ensure you purchase double the number of signfaces required if you need double-sided visibility

Construction

Caution: This Room Is Protected by a CO₂ Fire Extinguisher System Safety Sign (M171) Size:440x440 mm The Buses and Midi-Buses OnlyThe Caution: This Room Is Protected by a CO Fire Extinguisher System sign (M171) is a custom sign used to communicate a clear, site specific message at the exact point where it matters. Purpose and function This sign warns of the specific hazard described, Caution: This Room Is Protected by a CO Fire Extinguisher System. It helps people recognise the risk early, and reduces the chance of delayed emergency response and restricted evacuation.