Road Carriageway Width Check
Ref: JKR Arahan Teknik Jalan (ATJ) 8/86
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Min Width = Number of Lanes × Lane Width (from ATJ 8/86 Table 3)
Ref: JKR Arahan Teknik Jalan (ATJ) 8/86
Typical 1–8 lanes
Your proposed design width
Lane width from ATJ 8/86: 3.5 m (R4, Flat)
Minimum Carriageway Width
—m
Engineering aid only — final design must be endorsed by a registered PE under BEM.
Proposed Width
—m
Engineering aid only — final design must be endorsed by a registered PE under BEM.
Disclaimer: This output is an engineering calculation aid only and does not constitute a final or endorsed design. All designs submitted to Malaysian authorities must be endorsed by a registered Professional Engineer (PE) under the Board of Engineers Malaysia (BEM) in accordance with the Registration of Engineers Act 1967.