Car traffic is a term used to describe the flow of vehicles on a road network. There are several synonyms that can be used to convey the same meaning as car traffic. These include automobile traffic, vehicular traffic, motor traffic, and road traffic. Other related terms include congestion, rush hour traffic, traffic jam, gridlock, and bottleneck. Each of these terms can be used to describe different aspects of car traffic, such as the level of congestion, the time of day, and the severity of any delays or obstructions. Overall, these synonyms can be useful in describing the many different ways in which car traffic can impact our daily lives.