The following toolkit shows the classification achieved by the roadstud in its BS EN 1463 test, along with the minimum requirements required for legal UK use - as specified in TSRGD (2002).
DefinitionP3A
Dimensions (height)H1
Dimensions (size)HD1
Part 1 Nighttime VisibilityPRP1
Part 1 Colorimetric AssessmentNCR1
Part 2 Primary AssessmentS1
Part 2 Nighttime VisibilityR1
BS EN 1463 Part 1 - An initial test to establish the type and description of a new roadstud
Permanent (P), Glass Reflector (1), Plastic Reflector (2), Abrasion Resistant Plastic Reflector (3), Depressible (A), Non Depressible (B)
Traffic Signs Regulations and General Directions 2002 (TSRGD) classification required for legal use in the UK
All Roadstuds Product types allowed for use.
BS EN 1463 Part 1 - An initial test to establish the type and description of a new roadstud
Height of roadstud above the road. No performance (H0), 0-18mm (H1), 18-20mm (H2), 20-25mm (H3)
Traffic Signs Regulations and General Directions 2002 (TSRGD) classification required for legal use in the UK
H1, H2 and H3 types allowed for depressible roadstuds. H1 and H2 types allowed for non-depressible roadstuds.
BS EN 1463 Part 1 - An initial test to establish the type and description of a new roadstud
Maximum horizontal dimensions of roadstud exposed to traffic (in direction of traffic). No performance (HD0), length 250mm x width 190mm (HD1), length 320mm x width 230mm (HD2)
Traffic Signs Regulations and General Directions 2002 (TSRGD) classification required for legal use in the UK
HD1 types allowed for use.
BS EN 1463 Part 1 - An initial test to establish the type and description of a new roadstud
Night time visibility. No performance (PRP0), Not less than table 4 (PRP1)
Traffic Signs Regulations and General Directions 2002 (TSRGD) classification required for legal use in the UK
PRP1 types allowed for use.
BS EN 1463 Part 1 - An initial test to establish the type and description of a new roadstud
Colormetric assessment. No performance (NCR0), Specified in table 9 (NCR1)
Traffic Signs Regulations and General Directions 2002 (TSRGD) classification required for legal use in the UK
NCR1 types allowed for use.
BS EN 1463 Part 2 - A road test classifying performance after a period of 12 months use
Primary assessment that indicates durability by measuring the number of roadstuds remaining from an original 50. 42-50 studs remaining (S1), 35-41 studs remaining (S2), 1-34 studs remaining (S3)
Traffic Signs Regulations and General Directions 2002 (TSRGD) classification required for legal use in the UK
S1 types allowed for use.
BS EN 1463 Part 2 - A road test classifying performance after a period of 12 months use
Nighttime visibility classification is based on the coefficient of luminous intensity (R) of each of 10 roadstuds. No performance (R0), 100% of R (R1), 50% of R (R2), 20% of R (R3), 1% of R (R4)
Traffic Signs Regulations and General Directions 2002 (TSRGD) classification required for legal use in the UK
R1, R2 and R3 types allowed for use.