The Voice Behind Metro's "Doors Opening" &"Doors Closing" Annoucements

Have you ever guessed who is the woman behind Metro's "Doors Opening" and "Doors Closing" announcements? Well according to The Express, a publication of The Washington Post,

the voice familiar to metro riders belongs to Sandy Carroll, 60, a daily Green Line rider from S.W. D.C. She recorded those two, and a more terse version of today's " Please stand clear of the doors. Thank you" message in 1995 for a friend who is an engineer at Metro and was working on the feature from her dining room table. According to Ms. Carroll, an initial, stiffer recording, " Stand clear of the doors!," drew complaints and was replaced by the softened version.