EMU‘s ER2 produced by RVR (Rīgas Vagonbūves Rūpnīca) are well known in a post-Soviet Union countries. Since the beginning of production of ER2 in 1962, these passenger trains spread all over Soviet Union. In many places there are still operating today.
Basically, ER2 is an improved model of the same family – ER1, which was produced since 1957 until 1962. In the pictures, there is ER2 refurbished in 2007 which operates in Latvia.