A materials handling vehicle operating system comprising a materials handling vehicle, a tag layout, a tag reader residing on the materials handling vehicle, a reader module comprising or configured to access a tag database that holds stored tag data, and a vehicle controller, wherein: the materials handling vehicle comprises storage and retrieval hardware and a vehicle drive mechanism; the tag layout comprises a plurality of sequenced tags configured to provide tag identification data to the tag reader and reader module positioned along a travel path comprising a restricted navigation zone; the restricted navigation zone comprises an entry threshold and an exit threshold along the travel path; the sequenced tags comprises an entry tag set arranged along the travel path at the entry threshold of the restricted travel zone and an exit tag set arranged along the travel path at the exit threshold of the restricted navigation zone; characterized in that the entry tag set comprises a restriction tag and an indicator tag arranged in a predictable ordered succession; the exit tag set comprises a release tag; the indicator tag is positioned between the restriction tag and the restricted navigation zone along the travel path; the restricted navigation zone is positioned between the indicator tag and the release tag along the travel path; the tag reader and the reader module cooperate to identify the release tag, the restriction tag, and the indicator tag of the sequenced tags of the tag layout as the vehicle travels along the travel path; the vehicle controller executes unrestricted operational functionality of the materials handling vehicle in accordance with the identification of the release tag along the travel path by the tag reader and the reader module; the vehicle controller executes restricted operational functionality of the materials handling vehicle in accordance with the identification of the restriction tag along the travel path by the tag reader and the reader module; and the tag reader and the reader module further cooperate to compare identified tag data with stored tag data and initiate a remediation operation when an indicator tag is identified in place of a restriction tag according to a sequenced portion of the stored tag data, wherein the remediation operation comprises a transition to restricted operational functionality. the materials handling vehicle comprises storage and retrieval hardware and a vehicle drive mechanism; the tag layout comprises a plurality of sequenced tags configured to provide tag identification data to the tag reader and reader module positioned along a travel path comprising a restricted navigation zone; the restricted navigation zone comprises an entry threshold and an exit threshold along the travel path; the sequenced tags comprises an entry tag set arranged along the travel path at the entry threshold of the restricted travel zone and an exit tag set arranged along the travel path at the exit threshold of the restricted navigation zone; characterized in that the entry tag set comprises a restriction tag and an indicator tag arranged in a predictable ordered succession; the exit tag set comprises a release tag; the indicator tag is positioned between the restriction tag and the restricted navigation zone along the travel path; the restricted navigation zone is positioned between the indicator tag and the release tag along the travel path; the tag reader and the reader module cooperate to identify the release tag, the restriction tag, and the indicator tag of the sequenced tags of the tag layout as the vehicle travels along the travel path; the vehicle controller executes unrestricted operational functionality of the materials handling vehicle in accordance with the identification of the release tag along the travel path by the tag reader and the reader module; the vehicle controller executes restricted operational functionality of the materials handling vehicle in accordance with the identification of the restriction tag along the travel path by the tag reader and the reader module; and the tag reader and the reader module further cooperate to compare identified tag data with stored tag data and initiate a remediation operation when an indicator tag is identified in place of a restriction tag according to a sequenced portion of the stored tag data, wherein the remediation operation comprises a transition to restricted operational functionality.