+86 187 629 33652

How to choose road stud colors?

5 colors of road marker
Road stud colors and the guide of color installation.

How to choose the lens reflector color of road studs?

How many colors does a road stud have?

As we all know, according to EN1463 -1: 2009, colors are: white, yellow, amber, red, green.

Here are the color chromaticity regions for retroreflected radiation of permanent and temporary road studs.

 color chromaticity
Color Chromaticity

Honestly say, I don’t know why the regulation distinguished yellow and amber, they are a little bit different. Usually, for a manufacturer, choose the combined parts to meet them both, also to meet with ASTM D4280, so that one color powder can meet all, to make it more efficient.

And according to ASTM D 4280- 12, colors are: White, yellow, red, blue, green.

ASTM D 4280

And color chromaticity:

ASTND 4280 color Gamut

How do allocate the colors for traffic?

It’s quite simple, all colors are based on drivers’ vision, similar to traffic lights, green lights, red lights.

For a road stud, for left-hand drives, such as in China,

White reflective must be towards the driver’s side, Red reflective on the other side. See below:

left hand drive road marker color instruction

For right-hand drive

For right-hand drives, such as in the UK, Australia, New Zealand, Ireland, Cyprus, South Africa, Botswana, Kenya, Mauritius, Zambia, Tanzania, Swaziland, Dominica, Guyana, Japan, Thailand, Malaysia, India, Singapore, Pakistan, Sri Lanka, Indonesia, Bangladesh, Nepal, Negara Brunei Darussalam, Timor-Leste, Hongkong, and Macao.

On their country road, the driver’s cab is on the right hand, and always KEEP LEFT.

Hope this will help you to choose colors when installing road studs, you will see the benefit of road markers on highways, especially for those without road lights on the sides.

Share This Post

Share on facebook
Share on linkedin
Share on twitter
Share on email

Leave a Reply

Your email address will not be published.

More To Explore


3 Simple Ways to Identify Reflector Quality

How to evaluate a reflector? Here are three simple ways to identify reflector quality without machines. Method 1: Examine the prism pattern on the reflector.


What is “Cat‘s Eye”?

A device that reflects the light of a car at night.  Installed on the Slip Roads, beside Highway Markings, or at the turn of the

Do You Want To Boost Your Business?

drop us a line and keep in touch

Request A Quote

Thank you for your interest in our products, will be in touch by the end of business today.