Final answer:
The most effective type of flare for temporary traffic control is the Electronic flare. It uses battery-powered LED lights to produce a bright and highly visible warning signal, making it more environmentally friendly and versatile than traditional chemical flares.
Step-by-step explanation:
The most effective type of flare for temporary traffic control is the Electronic flare. Unlike chemical flares that require a flame or heat source to activate, electronic flares use battery-powered LED lights to produce a bright and highly visible warning signal. They are reusable, more environmentally friendly, and do not pose the risk of starting fires like traditional chemical flares. Additionally, electronic flares can be used in various weather conditions and have adjustable settings for different visibility needs.