Plastic road studs can be used in front of factories, hospitals and schools where traffic flow or speed is not high. Aluminum road studs are recommended for use on high speed roads and on roads with heavy vehicles such as trucks. As a professional metal road studs suppliers, our mission is to ensure public safety by providing quality metal driveway reflectors with the best price.
A reflective lane markers is a safety device used on roads. These devices are usually made with plastic, ceramic, thermoplastic paint, glass or occasionally metal, and come in a variety of shapes and colors. Raised reflective lane markers, such as plastic, ceramic, metal ones, include a lens or sheeting that enhances their visibility by retroreflecting automotive headlights, while glass road studs gather automotive headlights with a dome shape and reflect the lights with a reflective layer within.
What do the reflective road studs of different colors mean on the road?
-White reflective lane markers: mark the lanes or the middle of the road.
-Red reflective lane markers: mark the left edge of the road.
-Motorway reflective lane markers: mark the central reservation of a dual carriageway or motorway.
-Green reflective lane markers: mark the edge of the main carriageway at lay-bys and slip roads.
-Green/yellow reflective lane markers: indicate temporary adjustments to lane layouts, e.g. where road works are taking place.
Reflective lane markers from NOKIN are meet ASTM D4280 standard, following are some report data:ASTM D4280 Standard:
Test Distance 100 feet, 0.2° Observation Angle
Units: MilliCandela per Incident Lux (mCd/lux)
| Horizontal entrance angle |
White |
Red |
Yellow |
| Required |
| 0 |
279 |
70 |
167 |
| 20° |
112 |
28 |
67 |
| Test data |
| 0 |
628 |
185 |
453 |
| 20° |
196 |
132 |
202 |
