This article explores the characteristics of roads in relation to law, technologies, operations and hazards. It discusses the agencies responsible for regulation and investigation in the domain, key definitions that define accident reporting, procedures recommended in the road domain and accident investigation methods. The subject is investigation domain contexts and the course code and name are not mentioned. The article is relevant for students studying law, engineering, and transportation. The article is written by an unknown author and published by Desklib, an online library for study material with solved assignments, essays, dissertation etc.