The Mayor's Transport Strategy stated that the Mayor, through Transport for London, would investigate the feasibility of the extension to Dagenham Dock as part of the housing proposals for Barking Riverside.
Borgmesterens transportstrategi fastslår, at borgmesteren (gennem Transport for London) vil undersøge rentabiliteten af forlængelsen til Dagenham Dock, som en del af boligforslagene for Barking Riverside.