An <a href="https://en.wikipedia.org/wiki/Anti-trespass_panels" class="extiw" title="w:Anti-trespass panels">anti-trespass panel</a> at a <a href="https://en.wikipedia.org/wiki/grade_crossing" class="extiw" title="w:grade crossing">grade crossing</a> of the <a href="https://en.wikipedia.org/wiki/Arkansas_and_Missouri_Railroad" class="extiw" title="w:Arkansas and Missouri Railroad">Arkansas and Missouri Railroad</a> at West Dickson Street in <a href="https://en.wikipedia.org/wiki/Fayetteville,_Arkansas" class="extiw" title="w:Fayetteville, Arkansas">Fayetteville, AR</a>, USA, placed as part of a <a href="https://en.wikipedia.org/wiki/Federal_Railroad_Administration" class="extiw" title="w:Federal Railroad Administration">Federal Railroad Administration</a> study on their effectiveness in preventing trespass on rail tracks and their <a href="https://en.wikipedia.org/wiki/right-of-way_(transportation)" class="extiw" title="w:right-of-way (transportation)">right-of-way</a>
Unknown FRA employee
This <a rel="nofollow" class="external text" href="https://railroads.dot.gov/sites/fra.dot.gov/files/fra_net/18837/Anti-Trespass%20Guard%20Panels_A.PDF">FRA report</a>