Barry battles Heat Wave & Captain Cold in the street in episode 1x10 "Revenge of the Rogues".
Oliver rides his motorcycle after Kendra Saunders his taken by Hawkman in episode #208 "Legends of Today".
The team gathers to stop Grodd's army at the edge of town when Grodd takes control of Joe to deliver a message to Barry. Later the three speedsters arrive back at the street to hold of the gorillas until Cisco and Cynthia can arrive with help in episode #314 "Attack on Central City".
Tommy talks to Laurel on the phone while walking down the street in episode #113 "Betrayal".
Diggle drops Moira off at a building and then follows her inside in episode #113 "Betrayal".
Roy stops the police convoy carrying Oliver and turns himself in as the Arrow in episode #318 "Public Enemy".
Diggle chases the virus carrier through the street in episode #323 "My Name Is Oliver Queen".
George Usher leaves a restaurant and walks back to his car while being watched by Tooms in episode #103 "Squeeze".
Source: XF Marks the Spot
The SGC surveillance team sits in their van outside the Farrow-Marshall skyscraper in episode 9x07 "Ex Deus Machina".
From pilot episode.
Mon-El attempts to be charitable and is captured by Cadmus for his trouble in episode 2x06 "Changing".
Mon-El and Guardian stop the mutated Dr. Jones from killing Rand O'Reilly and other bystanders until Supergirl can arrive to stop him once and for all in episode 2x06 "Changing".
Bart attacks Dirk while he and Farah are stuck in traffic in episode 1x06 "Fix Everything".