Overview

• A commuter’s 10-minute barefoot walk on the London Underground left their feet covered in grime, drawing attention to the network’s cleanliness.
• The unique composition of Tube dust includes metal particles from train brakes, organic matter, and mineral dust, according to Transport for London (TfL).
• TfL maintains that dust levels are below Health and Safety Executive limits and has increased its annual cleaning budget to £2 million.
• New cleaning methods, such as mobile backpack vacuums, have been introduced to target areas with higher dust levels.
• Social media reactions to the incident include health concerns, with some users advising precautions like tetanus shots after walking barefoot.