Saw a reference to this in my in box at work:
More here
A good move I think.
Crossrail’s contractor requirements mandate that all Heavy Goods Vehicles (HGVs) working on the project are fitted with safety devices including blind spot proximity sensors, side under-run guards and warning alerts for cyclists.
As intensive construction for Crossrail gets underway, any HGVs not meeting Crossrail's strict standards are being turned away from worksites with the contractor liable for any costs incurred. This applies to HGVs operated directly by a contractor or on their behalf by a haulier.
More here
A good move I think.