Alternate Concepts

Alternate Concepts, Inc. (ACI) is a transit management company within the United States. It is currently headquartered in Boston, Massachusetts and provides services to four rail authorities. Between 2003 and 2014, ACI also operated the Massachusetts Bay Transportation Authority's commuter rail system. Additionally, Alternate Concepts is planned to operate MTA Maryland's Purple Line.

History
Alternate Concepts was founded in 1989 by three former employees of the Massachusetts Bay Transportation Authority, James F. O’Leary, Richard Brown and Jane Daly.

Operations
Alternate Concepts currently manages and operates the following rail services:


 * Current
 * CTrail Hartford Line (a joint venture between ACI and TransitAmerica Services)
 * RTD Commuter Rail
 * Tren Urbano
 * Valley Metro Rail
 * Former
 * MBTA Commuter Rail
 * Future
 * MTA Maryland Purple Line