Potential revival of direct Tonbridge-Gatwick train service explored by Network Rail

Nearly twenty years after direct trains were cancelled, Network Rail is considering resuming a direct link from Tonbridge to Gatwick Airport.
Gatwick-Tonbridge route highlighted on Network Rail map
A research paper by Network Rail looks at options to increase train passenger use along an existing railway link and see if that would reduce road traffic between Kent and the airport.
At the moment there is a shuttle service along the railway that links Tonbridge and Redhill, then people need to swap