Photoluminescent Emergency Signage Is Required on Passenger Rail Equipment
Photoluminescent Emergency Signage is a requirement in Passenger Rail Equipment, per APTA (American Public Transportation Association) requirement APTA SS-PS-002-98, Rev. 3, Standard for Emergency Signage for Egress/Access of Passenger Rail Equipment, published by the APTA. The photoluminescent signage becomes visible, when a rail car loses power and its interior is plunged into darkness.