Toll tags as terrorist targets?

The electronic toll systems we're now familiar with use a specific radio system to get information from the tags.

They will also be used increasingly in providing traffic information and instructions, such as warning drivers of congestion or accidents ahead.

But there are some worries that they might well become the next terrorist target, with a view to causing disruption, mayhem and even death on the road systems.

Reas more in this piece from Network World.