I would like to suggest a circular Tram System. It starts at the airport, then follows the current rail line towards Southend Victoria, then follows Queensway and A1160 to the Kursaal, then it runs along the seafront it follows Chalkwell Avenue then turns east along the c2c line to Westcliff station then along the centre of Hamlet Court Road along the A13 then back to the Airport. Also not associate to the Tram idea, West Road and Progress Road could be made one way - I expect you will need funding from Central Government, but my opinion is that it will be granted on an air pollution basis.