The package contains the complete project folder of a simple model. The usage and understanding of InputPlus commands and syntax is helped by few clear and commented ipf files. With them a motorway section and a crossing road can be created and the simple data supply is also shown.

Learn more about the usage of variables, the structure and the application of macros. Analyse the functionality of repetitive macros invoked by lists. Resolve step-by-step the obscure language and then write independently much more brief, clear and efficient input files.