UPDATE: West Palm Beach police said Friday morning that Sonia Holderby was located safe at a bus stop in Orlando.
Police are trying to track down a woman last seen at the West Palm Beach Tri-Rail station.
Sonia Holderby, 51, was headed to her West Virginia home, according to police.
The last time anyone saw her was at 10:30 a.m. Tuesday.
Police say she needs medication so they consider her endangered.
Holderby has light-colored hair and blue eyes.
If you see her or know where she is please contact the West Palm Beach Police Department. The case number is 16-13599.