Уже тогда 25 ходил до Президента Кеннеди. Недавно и маршрут отменен, и линия разобрана

Смотрю и в Европе тогда в автомобилестроении был в моде "американский" стиль

А что за дорожные знаки на столбе? Для трамваев?

The importation of American cars (but also many other products, think of Coca-Cola) was a direct consequence of WWII. The Americans liberated this region from the Nazis. In gratitude, little or no duties or taxes were imposed on the import of American products afterwards.

The sign is a road sign. For a long time (since 1908) there has been a very systematic effort to standardise road signs. 4 years after this photo was taken, the Vienna Convention on Road Signs and Signals was held.

https://en.wikipedia.org/wiki/Vienna_Con...n%20use

So this kind of sign systematically disappeared after 1968 (there must have been a transition period).