1) The document discusses cellular automata traffic flow models, which use a discrete approach to simulate vehicle movement on roads. 2) It specifically examines the Nagel-Schreckenberg model, which models single-lane traffic as a probabilistic cellular automaton. In this model, vehicles move according to rules of acceleration, deceleration based on gaps, and randomization of speed. 3) The document provides the rules and algorithms for simulating traditional cellular automaton traffic models on a single lane, including input parameters, defining gaps between vehicles, and having each vehicle follow the four rules of movement at each time step.