Dear Colleague, You have listed the basic criteria for selecting a rail cross section. However, the choice significantly depends on the maintenance strategy. Please look at the principle of integral maintenance in the published scientific paper that I am sending you. Best regards from Belgrade
Your question has to be more specific, detailing whether you are referring to (1) normal railway tracks, (2) high speed rail tracks or (3) subway tracks. Depending on the type of railway expected, the cross section may very.