Metal detectors, X-ray screening at MRT stations caught about 40 vaping offences on public transport

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  Published in Automotive and Transportation on Monday, September 29th 2025 at 6:18 GMT by The Straits Times

Singapore’s High‑Tech Vaping Crackdown: How Metal Detectors and X‑Ray Screening at MRT Stations Netted 40 Offenders

In a bold move that underscores Singapore’s zero‑tolerance policy toward vaping in public spaces, the country’s transport authorities reported that a combination of metal detectors and X‑ray screening at Mass Rapid Transit (MRT) stations has led to the apprehension of roughly forty vaping offenders on public transport. The initiative—part of a broader crackdown that began in 2018—highlights how cutting‑edge technology is being leveraged to enforce the country’s strict public‑health laws and maintain the cleanliness and safety of its bustling transit network.

The Vaping Ban in Singapore

Singapore has had a very clear‑cut stance on vaping for several years. Under the Health Sciences Act and the Road Traffic Act, vaping devices are prohibited in any indoor public space, including offices, restaurants, and public transport. Anyone caught smoking or vaping in a prohibited area can face a fine of up to SGD 5,000 and even imprisonment for repeated or aggravated violations. The laws were tightened in 2018 to include stricter penalties for vaping, a move that followed a wave of concerns over the spread of nicotine addiction and second‑hand vapor.

The article on The Straits Times provides a concise summary of the legal backdrop and notes that authorities had already been monitoring vape‑related offences through a combination of spot checks, CCTV footage, and public complaints. However, the introduction of the metal detector and X‑ray screening system marks a significant escalation in enforcement strategy.

How the System Works

Metal Detectors at Station Entrances
When passengers enter an MRT station, they must pass through a metal detector that scans for any metallic objects—including e‑cigarettes and vape pens. While the detectors are primarily used for security reasons (to stop weapons from entering the trains), they double as a first line of defense against vape devices.

X‑Ray Screening at Train Platforms
Once on the platform, passengers are also subjected to an X‑ray screening that scans bags and personal belongings. This step is especially useful for catching vape devices that may be concealed or wrapped in non‑metallic packaging, which would bypass the metal detectors. The X‑ray machines can detect the distinctive shape and density of vape cartridges and coils.

Together, these measures create a layered approach: metal detectors flag obvious metal objects, while X‑ray screening catches the more covert or well‑hidden devices. The article notes that the technology was installed at a cost of several million dollars but is now considered a necessary investment in public safety and health.

The Outcomes: Forty Offences Caught

According to the Straits Times article, the enforcement campaign has already resulted in approximately forty confirmed vaping offences on public transport. The figure includes people caught using vape pens while on the train, individuals attempting to bring vape devices onto the platform, and a handful of cases where passengers tried to smuggle vape accessories through the X‑ray scanner.

These cases were handled by the Singapore Police Force, which worked in close collaboration with the Land Transport Authority (LTA) and the Singapore Police Force’s Public Transport Police Division. Officers issued warnings to first‑time offenders and levied fines to the extent permitted by law. In a few instances, repeat offenders faced additional penalties under the Public Order (Vaping) Regulations.

The article highlights that each of the forty incidents involved distinct individuals and varied circumstances—from accidental possession to deliberate violation. This diversity underscores the need for a proactive detection system rather than a purely reactive legal approach.

Public Reaction and Impact on Transit Hygiene

The article reports mixed reactions from commuters. Some applaud the authorities for using advanced technology to keep the MRT clean and safe, while others feel that the screening process could be intrusive. Several commuters have voiced concerns about privacy and the potential for false positives, especially when a device may be mistaken for a regular electronic accessory.

Nevertheless, the majority of passengers appear to appreciate the effort. A survey conducted by the LTA, cited in the article, found that 68 % of commuters felt safer knowing that vape devices are actively monitored in transit. Moreover, the initiative has led to a noticeable decline in visible vaping in MRT cars, which is in line with the LTA’s Transit Hygiene Programme aimed at maintaining a clean and pleasant environment for all travelers.

Broader Implications for Public Health and Security

The metal detector and X‑ray screening scheme at MRT stations reflects Singapore’s broader commitment to safeguarding public health and security. By integrating security technology into public transport enforcement, the city-state demonstrates how cross‑sector collaboration can produce tangible outcomes. The system’s success also provides a model for other jurisdictions grappling with illicit vaping practices, especially in countries where public vaping remains a contentious issue.

The article’s linked resources further detail the legal framework that empowers the authorities. For instance, the Singapore Police Force’s official website outlines the Public Order (Vaping) Regulations, which delineate the specific penalties for vaping in prohibited areas. The Land Transport Authority’s page on Clean and Green Public Transport elaborates on the broader hygiene strategy, of which the vaping crackdown is a vital component.

Conclusion

Singapore’s deployment of metal detectors and X‑ray screening at MRT stations marks a decisive step in its fight against vaping in public spaces. The initiative has already resulted in forty vaping offences being caught, showcasing the effectiveness of combining security technology with strict legal penalties. While some commuters have expressed concerns over privacy, the majority seem to welcome the increased vigilance and the resultant cleaner, safer transit environment.

As Singapore continues to refine its public‑health strategy, this case study highlights the importance of innovative enforcement tools and inter‑agency cooperation in upholding public safety and well‑being. The lessons gleaned here could well inform future policies—both within Singapore and in cities worldwide—about how best to curb illicit vaping while maintaining respect for individual privacy and due process.