To play TransPlan you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. Whereas, an Intel Core 2 Duo T7250 is recommended in order to run it. Provided that you have at least an NVIDIA GeForce 7200 GS graphics card you can play the game. TransPlan system requirements state that you will need at least 4 GB of RAM.
TransPlan will run on PC system with Windows 7 and upwards. Additionally it has Mac and Linux versions.