One of the key issues transportation organizations are facing when it comes to implementing road-user charging (RUC) systems is what to do with all that data—how to collect it, how to process it, and, most importantly, how to keep it all safe.

On that last point, one way to ensure data security that seems tailor-made for road pricing can be found in the form of blockchain technology—the oft-discussed, rarely-understood way of organizing data that could help toll operators institute RUC systems and increase interoperability all at once.

So what is blockchain? Think of it as a ledger that everyone on a particular network has access to, recommends Kevin Ko, a data architect with Milligan Partners. Ko and some of his colleagues led an IBTTA webinar last month on the ins and outs of blockchain technology and how it can be useful for tolling operators.
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