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Malaysian Road Safety Body Urges Drivers to Use Right Lane for Overtaking Only

Malaysia's road safety authority has reiterated proper highway lane discipline, clarifying that the rightmost lane is not a permanent 'fast lane' but designated for overtaking vehicles only. The guidance aims to reduce traffic congestion and improve road safety across the country's expressway network.

LSN Malaysia · 1 September 2026

The Malaysian Institute of Road Safety Research (MIROS) has issued a reminder to motorists about correct lane usage on Malaysian highways, seeking to clarify persistent misconceptions about roadway conduct. According to MIROS, the rightmost lane should be used exclusively for overtaking slower vehicles, rather than serving as a dedicated high-speed corridor for faster drivers.

Proper lane discipline on Malaysian expressways follows a simple protocol: keep left unless overtaking, and return to the left lane after passing another vehicle. MIROS emphasizes that maintaining this practice reduces bottlenecks, improves traffic flow efficiency, and decreases the risk of accidents caused by unsafe lane-switching and excessive speed variations.

The authority's statement comes as traffic volumes continue to surge on Malaysia's major highway corridors connecting Kuala Lumpur and surrounding urban centers. MIROS officials have noted that widespread adherence to correct lane usage could significantly alleviate congestion during peak travel periods.

Motor vehicle operators who fail to comply with proper lane discipline may face enforcement action under Malaysia's traffic regulations. Road safety advocates recommend that all drivers familiarize themselves with highway conduct standards and exercise defensive driving practices to ensure safer journeys for all road users.