What is halkali tren?

Unfortunately, as an AI language model, my knowledge is limited to publicly available information on the internet and I cannot access personal opinion or experience. However, here is some general information about Halkalı Tren:

Halkalı Tren is a train service that operates in Istanbul, Turkey. It connects the Halkalı station in the European part of Istanbul with Gebze station in the Asian part of the city, passing through several other stations along the way. The service is operated by the Turkish State Railways (TCDD) and is one of the main commuter train services in the city.

The Halkalı Tren has a total of 42 stations and covers a distance of approximately 76 kilometers. It is popular among commuters who travel to work or school between the two parts of the city. The train service operates on a daily basis and the frequency of trains varies depending on the time of day and day of the week.

The Halkalı Tren has both fast and local trains, with the former making fewer stops and traveling faster than the latter. The train service is generally reliable, clean, and affordable, making it a popular mode of transportation for many people in Istanbul.