49 CFR 171.15(b)(1)(iv)
For 49 CFR 171.15(b)(1)(iv), governing statute is Hazardous Materials Transportation Act; triggering event is a major transportation artery or facility is closed or shut down for one hour or more as a direct result of a hazardous material during transportation; notification deadline is as soon as practical but no later than 12 hours after the occurrence; notification recipient is National Response Center (NRC) on 800-424-8802 (toll free) or 202-267-2675 (toll call); required method is telephone to the National Response Center (NRC), recorded from its source on 2026-08-12.
- Regulation
- 49 CFR 171.15(b)(1)(iv)
- Governing statute
- Hazardous Materials Transportation Act our reading
- Triggering event
- a major transportation artery or facility is closed or shut down for one hour or more as a direct result of a hazardous material during transportation
- Notification deadline
- as soon as practical but no later than 12 hours after the occurrence
- Notification recipient
- National Response Center (NRC) on 800-424-8802 (toll free) or 202-267-2675 (toll call)
- Required method
- telephone to the National Response Center (NRC)
- Follow-up requirement
- written Hazardous Materials Incident Report on DOT Form F 5800.1 within 30 days per 49 CFR 171.16
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
(iv) A major transportation artery or facility is closed or shut down for one hour or more; or
— law.cornell.edu, retrieved 2026-08-12
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/49/171.15