The portable rolling track gauge is designed for measuring the track gauge and super-elevation. The lightweight ,reliable and easy to use device offers unique measurement accuracy. The software system support for storing and analyzing the measuring data. It can be used for track inspection and rail maintenance. It is easy to carry, and night-time and tunnel work, legible even in direct sunlight are supported which is an ideal measuring tool for track fine-tuning, track construction, inspection and track laying . The lightweight ,reliable and easy to use device offers unique measurement accuracy. It is easy to carry, and night-time and tunnel work.