Burger King UK offers free Whopper or Chicken Royale to drivers with 'L' plates for National Drive-Thru Day on July 24.

Burger King UK is celebrating National Drive-Thru Day on July 24 by offering a free Whopper or Chicken Royale to newly qualified drivers. To claim the free meal, drivers must show their 'L' plates to staff at any Burger King UK drive-thru restaurant and mention "BK Plates" at the order window. This offer is available at Burger King drive-thru lanes across the country, while supplies last.