Check live transport updates for Heathrow-area roads and M25 before travel and allow extra time for journeys.
Monitor train operator updates for services from London Bridge and London Victoria to Epsom Downs and Sutton expect heavy delays and plan alternatives.
Follow local authority and police instructions at incident sites avoid cordoned areas near Bath Road (A4) and M25 junctions 27–28.
Exercise increased caution in public places due to the U.S. Department of State terrorism advisory remain aware of surroundings and large crowds.
Enroll in STEP or equivalent, carry travel insurance, and have a simple contingency plan (contacts, meeting point, transport alternatives).
