(29 Jan 2014, 11:04 pm)Adam Malarkey wrote I think the Question would be, What Double Decker Vehicle could replace the Hybrids on the 21, if it was indeed to happen, which I don't think will happen any time soon, Although if it did, GNE could send the Hybrids to Riverside to Replace the Citaros on the 27, which would be the most Logical Option in my opinion. As for the X21, Would the New B5 Gemini be able to cope with such a Demanding Route.
Get it E400's then. They seem to cope on the X15/X18 well.