Thames Estuary Airport a major International hub at Cliffe which would link in with the HS1 line through Kent to St Pancras. The Cameron government was committed to a full Aviation Review and a scoping study was released in March 2011. The "Marinair" proposal was put forward in the 1990s, in which an airport would be built on an offshore artificial island in the Thames estuary, north east of the Isle of Sheppey. When the proposal was put forward again in the government's 2002 consultation, it was rejected on the grounds of insufficient information and prohibitive expense. The Marinair plans had been developed
Canvey Island to Bowers Gifford and joins the London-Southend A13 at Sadler's Farm Roundabout. The two lanes of the A130 are currently the island's primary access route with 25,000 vehicles using the road and bridge per day. The B1014 and Canvey Road Bridge (or Canvey Bridge) crosses Benfleet Creek to South Benfleet, and provides access to the c2c London (Fenchurch Street) to Shoeburyness line via Benfleet railway station. Canvey Road Bridge was built in 1973, and replaced the island's first bridge to the mainland, which dated from 1931. The Colvin Bridge – named after the Lord Lieutenant of Essex, Brigadier-General R.B. Colvin