That little girl kicked your ass.
Following the trucks from the warehouse, Sam and Bucky get into a scuffle with the Flag Smashers, who they now realize are super soldiers, atop the vehicles.
Numerous behind the scene photos of this sequence show the actors atop stationary vehicles with green screens behind them. However the roadway must have been filmed somewhere, even if it is digitally enhanced.
This is an unknown location on MCU: Location Scout. If you have any information about the whereabouts of this location or any other tips, please send them in to MCULocationScout@gmail.com
(The Falcon and The Winter Soldier S01E02, 2021)