An armored car is attacked by a man with a grenade launcher in episode 1x11 "Trust But Verify".
Police race down the road to the heliport in an attempt to intercept the assassin who is coming into town in episode 1x16 "Dead to Rights".
Oliver and Maseo are driving into Starling City in Amanda Waller's limo in episode 3x13 "Canaries".
Oliver rides to a warehouse to try and stop Maseo in episode 3x17 "Suicidal Tendencies".
Kendra and Carter argue after rescuing someone and are then captured by Rip Hunter in pilot episode "Pilot, Part 1".