A railing assembly that, in one embodiment, includes a first rail, a second rail, and a post that are coupled with a rail crossover assembly. The rail crossover assembly may include a first end with a first flange configured to be received in a cavity of the first rail, a second end with a second flange configured to be received in a cavity of the second rail, and a post coupling member configured to be received in a cavity of the post. The first end, the second end and the third end of the rail crossover assembly are oriented so the post is substantially orthogonal with respect to the first rail and the second rail.