What Are Road Delineators

The role of delineators is to provide visual assistance to drivers about alignment of the road ahead, especially at night. … Normally, reflectors are used on the delineators for better night time visibility.

What do road reflectors mean?

White reflectors are placed along white traffic lines; yellow reflectors are placed along yellow traffic lines. Red reflectors tells drivers that they are going the wrong way up a one-way ramp or that they should not enter. Blue reflectors mark fire hydrants. Other colors are used for other purposes.

What are Botts dots made of?

The dots are made of various ceramic materials or plastics such as polyester. On some roads, lanes are marked only with a mix of Botts’ dots and conventional reflective markers, eliminating the need to repaint lane divider lines.