Radar is set to revolutionise road safety

Solutions for using radar to alert drivers to obstacles in their path and possible collision already exist but they are too expensive. In most cases, only the more luxury models on the market offer the option of an adaptive cruise control system that uses radar. But the potential market and road safety benefits are massive. And much work is in progress to lower the cost of radar. This the reviews paper current state‐of‐the‐art in radar technology and highlights two notable developments for cutting the cost.