This Railcar 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 4,300 icons, all in the same style and quality.
There is a rectangular shape, and the top corners are rounded. There are four small squares with rounded corners evenly distributed near the top of the rectangle. On the bottom of the rectangle, there are four circles, two sets of two circles joined together by a line. Each set is on opposite ends of the rectangle.