Gordon Akill from Aston, Birmingham was set to appear at Birmingham Magistrates' Court on Friday, April 8.
Akill is accused of assaulting two emergency workers and allegedly being in possession of class A drugs at Gravelly Hill Railway Station back on March 17.
Officers have made extensive attempts to try and locate Akill, 34, but have so far been unable to trace him.
He is believed to be local to the Aston area of Birmingham.
Anyone who knows the whereabouts of Akill is asked to contact BTP by texting 61016 or calling 0800 40 50 40 quoting reference 2100016994 Or call Crimestoppers anonymously on 0800 555 111.