If you’ve ever encountered a “phantom traffic jam,” or traffic slowdown that doesn’t seem to have an apparent cause, it was probably some jackwagon tailgating somebody. Researchers at MIT found that not only does tailgating not get you anywhere faster, it actually creates traffic jams that shouldn’t exist.
from Lifehacker http://ift.tt/2kh7nnC
http://ift.tt/2kJ3Td1