I’m not sure exactly when the question enters my mind, possibly at Junction 10 of the M8 motorway or maybe opposite the Shandwick Centre in Easterhouse while watching people queuing at the bus stops. It’s this – when Harry Bell set out to discover the old, now-invisible tracks criss-crossing Glasgow, did he ever envisage the extent to which roads would dominate the city? Or how in Easterhouse, an area of low car ownership, the city becomes ever more inaccessible…