Idea of Maximum Speed Icon
It's a logo of a big circle. It's a very simple logo and the only thing that is inside that circle is the number fifty written "50". The lines are thin and it represents a maximum speed.
This Maximum Speed icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,100 icons, all in the same style and quality.