(15 Jan 2014, 8:44 pm)tyresmoke wrote That was my first thought... Though I'm not sure whether they need yet more deckers with them buying the Lothian Tridents fairly recently?
I saw/heard an ex London President the other morning and it didn't sound too healthy.
Do they still have the alx400s?
Suppose these new ones could be replacements, with the originals used as donors or they are picking up more work and need extra capacity.
Not sure who else the vehicles which have been spotted could be for.