 The road is open and delays on 301 have eased. Make your next car an EV with electrifying elegance and shocking incentives, including $18,500 in lease cash on the Genesis GV70. Go to Genesis of Rockville or Gaithersburg at fitsmall.com today. I'm Dave Dildine, WTOP Traffic. Right now to 7 News First Alert meteorologist Steve Rudin. Our excessive heat warning continues until 8 o'clock as heat index values fall from around 100 to 105 into the 90s.