Aerial view of the QE2 Dartford crossing on the River Thames, Kent - Essex England

maritime thames river thames dartford dartford bridge dartford crossing bridge toll m25 a282 road transport travel infrastructure uk england kent essex traffic water river london south east network aerial aerial view drone landmark link qe2 queen elizabeth river crossing motorway tracking wide toll road hgv rush hour british engineering architecture archive suspension bridge road bridge greenhithe thurrock lanes flowing traffic crossing