Pennsylvania

[Rothman]

...unlike New York that considers interstate/ state route combinations as one continuous route.

NY considers I- and NY- routes separate, with distinct reference markers/milepoints for each.

[vdeane]

...unlike New York that considers interstate/ state route combinations as one continuous route.

NY considers I- and NY- routes separate, with distinct reference markers/milepoints for each.

Internally, at least.  Signage is another matter.

[Rothman]

...unlike New York that considers interstate/ state route combinations as one continuous route.

NY considers I- and NY- routes separate, with distinct reference markers/milepoints for each.

Internally, at least.  Signage is another matter.

Interstate portions have Interstate shields, state route portions have state route shields?