Services

Road surfaces

Hong Kong Testing Co., Ltd. provides physical testing of road surface according to
General Specification for Civil Engineering Works (1992 / 2006),
British Standard and
Highway Department Guidance Notes on Road Testing

• Texture depth (sand patch method)
• Surface regularity
• Skid resistance
• Luminance coefficient under defuse illumination (Qd) and retro-reflected luminance (RL) of road markings
• Thickness of road markings