Privileged transit traffic
traffic of one country across the territory of another country without usual customs and passport checks

Privileged transit traffic or corridor traffic is traffic of one country across the territory of another country without usual customs and passport checks. The corresponding line of communication (usually a railway) is called the (privileged) traffic corridor and a train used in this kind of transit is called a corridor train (German: Korridorzug, Italian: Treno-corridoio). The reason for such arrangements is usually border changes or border creation which cut through an existing transport corridor.
Examples
Examples are listed with headlines for the country enjoying the transit privilege, not the country offering it.
Belgium
The Vennbahn was a railway built in 1885, at the time fully in Germany. In 1919 some areas were transferred to Belgium. The railway did as a result cross the new border several times. To handle this, the railway embankment with tracks was also made Belgian territory if inside Germany, without having border controls at the road-rail crossings. The railway was dismantled in 2008, although the embankment still belongs to Belgium.
As a result six German exclaves surrounded by Belgian territory were created as well as one counter-enclave.
Begin with the source’s own compact description: “Privileged transit traffic” is traffic of one country across the territory of another country without usual customs and passport checks. The dossier treats that line as a proposition to test through Privileged, transit and traffic, not as a finished interpretation.
Why this record matters
The phrase “traffic of one country across the territory of another country without usual customs and passport checks” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 24, 2026. The linked authority identifier is Q303764. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1885, 1919 and 2008.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Privileged transit traffic” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.