July 2004 – The City of New York debuts the Corporate Emergency Access System (CEAS), a credentialing program intended to help critical business employees travel and access restricted areas following an emergency.
July 19, 2007- CEAS is activated following a steam pipe eruption in Midtown Manhattan causing a six block area to be evacuated as shut down for more than a week.
May 12, 2009- Suffolk County Executive introduces the CEAS program to Suffolk County businesses.
November 18, 2009 – City of Baltimore adopts the CEAS program to help protect city businesses from disruption events.
February 12, 2010 – Baltimore City Police Commissioner Frederick H. Bealefeld III and Mayor Stephanie Rawlings-Blake activate CEAS during a Level III snow emergency in the City of Baltimore making CEAS cardholders exempt from a local travel ban.
October 26, 2012- Baltimore activates the CEAS program in anticipation the impacts of Hurricane Sandy
Winter Storm Nemo - February 8, 2013 - the CEAS program to permit critical business employees to travel a the State imposed travel ban.
New England - Winter Storm Juno , January 2015- Cities of Providence, Boston and Cambridge activate their respective CEAS programs for record breaking snow storm. Activation keeps businesses operational during and immediately afer the storm.