I would like to move my mother's body from its burial spot to a more respectable place. Does jewish law permit such a relocation? Thank you for your advice.

It is forbidden to move a body from one grave to another if at the time of burial the interrment wasn't meant to be temporary and if the purpose of the move is not to bury him alongside his fathers or in the Land of Israel (Shulchan Aruch Yoreh Deah 363 1).