Yes. As Evelyn mentioned in her introductory remarks, international bridges have been governed until now by specific statutes. In many of them, if you read them, you will see there are provisions that enable the company to charge tolls. Depending on the statute, because for each of them you have various variations on that theme, sometimes there's a reference to the railway act or sometimes there's a reference to a specific review mechanism.
I would need to check the date when there was a uniform recourse vis-à-vis tolls that was introduced by legislation. I believe that recourse was introduced in the 1950s and existed up until 1996, when the National Transportation Act, 1987, was repealed. But until then, there was definitely a regulation respecting applicable tolls.