. US 9 is one of only two US routes that presently comprises a ferry section (the other is US 10). But the original US 9 didn't go all the way to Delaware; for approximately the first six years the south end was at US 30 in Absecon NJ.
. That's now the south end of NJ hwy. 157, but it was the place where US 9 stopped at US 30. The photo underneath is looking east on US 30:
. That's looking south on Lafayette at Jackson. Roughly about 1979, when the ferry across Delaware Bay was installed, its landing was constructed in North Cape May.
. So US 9 traffic no longer makes it into the town of Cape May; in its place it's routed west on Sandman and Lincoln Boulevards, and then US 9 carries on by turning off to the ferry landing:
. US 9 was amid the original 1926 routes. Back then, it split into two routes at Glens Falls, every running southward along contrary banks of the Hudson River.