That four-hour delay cost $2.3 million in lost commerce and commuter time.
The standard is a critical resource for designers, architects, and state/federal regulators working on highways and tunnels where emergency responder access is physically limited. National Fire Protection Association (NFPA) NFPA 502 Standard Development That four-hour delay cost $2
Some key requirements of the NFPA 502 standard include: That four-hour delay cost $2