All Motorised Vehicles Prohibited Road Sign | Diagram 619 | RA2 | Post Mountable Digital Specialty Values of retroreflection as shown

Values of retroreflection as shown in Table 1 are complied with when measured in accordance with the corresponding  specifications using CIE standard illumit A

No need to apply heat

The use of this sign should generally be regarded as temporary

Smaller vehicles can also be effected by strong cross winds and so the sign prepares drivers to adjust speed and prepare for an adverse change ahead

As per the UK Highways Traffic Sign Manual Chapter 3 - Regulatory Signs page: 52 The following advice is given:

All Motorised Vehicles Prohibited Road Sign | Diagram 619 | RA2 | Post Mountable Digital Specialty Values of retroreflection as shownAll Motorised Vehicles Prohibited Permanent UK Road Sign Post Mountable with 2 fixing rails Class 2 R2 RA2 Reflective Available in 300mm, 600mm, 750mm, 900mm Disc Diagram 619 is an over reaching sign that prohibits all motorised vehicular traffic through a road. Used mainly where motor vehicles could pose a hazard to cyclists or where environmental reasons are in place to limit air pollution created by vehicles. Specification: Material: R2 RA2