This paper has focused on computer application in railway
operation. The categories of the railway simulation technique
have been identified. Computer simulation programs in railway
systems have been analyzed. Application of the German
RailSys railway simulation program on ABO-KIR rail line
(in Alexandria city) has been introduced. Different innovation
scenarios for improvement of the railway line have been
simulated, analyzed and evaluated. Applying the simulation
model on the case study derived the following facts: