The Local railway Arad – Podgoria was nationalized and passed in the patrimony of the Romanian State owned by the Railroad Company (CFR) in 1948 (June 19th).
Exploited as a normal train railway, the Arad – Podgoria rail was keeping some characteristics that made it special. First of all: it was electrified! Untill December 1965 when the Brasov – Predeal electrified rail was opened, the Arad – Podgoria rail was the only electrified line in Romania. Another interesting fact was that except the places where it intersected the main railroad, the Arad – Podgoria rail didn’t have any signaling signals! The train maneuvering was done by telegraph until 1961 and then by the telephone!
At the level crossings where the line intersected the main rail road there were barriers installed. Each such intersection had a dead line, which the Arrow had to pull over in case of emergency if the mechanic noticed that he could not stop the gasket in time. The system was rudimentary but effective, proof that no incidents were recorded in those places. This safety system is still operational even today on the track currently operated with street trams.
The changes made to the Arad center in the early of 1960’s have also led to important changes in the route of the “Green Arrow” through the city. In 1964, the “Podgoria Square” in the center of Arad is radically transformed. The old electric train stations as well as the administrative buildings of the line are demolished. Starting this date, the “Green Arrow” will have a terminus point in Arad “Vama Micălaca”, a station located in the eastern extremity of the city.
Between 1966 and 1977 the CFR makes the last repair of the railway. For reasons that can no longer be explained, repair did not include changing rails or rolling stock. The railcars and the wagons were showing more and more their age. Given that their maintenance was getting difficult and costly, these were hardly getting up to legally required standards for their class of vehicles.
The construction of the Chemical Plant from Vladimirescu by the mid-1970s produced another change in the railroad’s exploiting strategy. Because the working force for the Plant came from the city of Arad but also from the region, it became clear that the Arad – Podgoria railway’s infrastructure, available at that time, wasn’t performant enough to satisfy these new requirements.
Starting in 1977, year when the Plant was opened, the line section from Arad to the Chemical Plant was modified to be exploited with urban trams. The first phase of this project marked the relocation once again of the Green Arrow’s terminal stop, from Micalaca Customs to Micalaca depot, situated by the pier of the passage over the Arad – Timișoara railroad. Then, starting in 1978 the old electric train was taken out of the city for good, having its final stop moved to the Chemical Plant situated in the eastern part of Vladimirescu city.