Y
Yearly-Competence Assessment
Annual assessment verifying each operator’s training level. Forms part of continuous-improvement programmes.
Yellow Box Hatch Markings
Criss-cross thermoplastic markings at junctions enforcing “keep clear” zones. Must conform to TSRGD diagram 1044 in the UK.
Yellow Box Marking
High‑visibility hatched area to keep junctions clear.
Yellow Centre Line
Regulatory separation line on certain local roads.
Yellow Chevron Stencil
Stencil for yellow chevrons.
Yellow Contrast Backing
Black backing panel under yellow lines.
Yellow Edge Line
Regulatory thermoplastic line indicating waiting/loading restrictions.
Yellow Ramp Markings
Ramp/hump markings in yellow.
Y-Piece Water Splitter
Splitter for dual water lines.
Yard-Water Recycling System
System filtering and reusing wash-bay water. Saves mains consumption and meets environmental-permit conditions.
