THE Department for Transport has withheld approval for Network Rail’s Traction Decarbonisation Strategy amid continuing concerns about the cost of electrification. Up to now the assumption has been that the overhead system where current is collected at 25kV AC would continue to be the method used to expand network electrification, but details have emerged of a new initiative by NR to evaluate the use of a ground level conductor rail.
The reason for renewed interest in third rail electrification is the need to in-fill
