You may search for acronyms and abbreviations for transportation and travel with ZEISE. The input in the header find shortcuts by railway companies, transport routes and train categories.
ZEISE search isn't case-sensitive and treated like equal characters. The result is alphabetical by starting the shortcuts. On the result page you can sort manually by the names of the abbreviations.
Multiple entries may be listed with hashtags. E.g. looking for subsidiaries of a company or lines of a transport company.