What color are the reflective studs that denote the separation of lanes on a motorway?

The color of the reflective studs that denote the separation of lanes on a motorway is white. White studs are specifically used to indicate lane markings for vehicles on motorways, helping drivers to clearly see the lanes, especially at night or in low visibility conditions. These studs are an important part of road safety, as they assist in maintaining proper lane discipline.

Other colors of reflective studs serve different purposes. For instance, red studs typically indicate the left edge of the carriageway, blue studs are often used to denote emergency vehicle stopping places, and green studs may signify the entrance to a slip road. Understanding the meaning of these colors is essential for safe driving and navigation on motorways.