In this article described below, the subject od the metropolitan railway, or in other regions called the agglomeration railway. This is a major investement challenge for all entities involved in this project. Starting from ensuring proper routing, throught the rolling stock and ending with the development of the space near the railway station. It is also an opportunity for the region in a fast and alternative to passenger cars means of transport between towns and the center of the metropolis. It is also a pro-ecological solution in the era of such an important perion in which we are currently facing a climate crisis.