traffic congestion

Rush hour traffic gridlock in NYC

More traffic on busy highways linked to lower birthweightNovember 18, 2022

Waymo self-driving car testing on California road

Science & Technology News

Study: Driverless cars will worsen traffic congestion on roadsOctober 26, 2019

Variable Advisory Speed Limit signs on St. Louis highway

Science & Technology News

Variable speed limits ease congestion, reduce crashes on highways: StudyJanuary 20, 2018