Persiaran Senawang 1 (English: Senawang Boulevard 1), designated as Malaysia Federal Route 242, is a dual-carriageway federal road in Seremban, Negeri Sembilan, Malaysia.

Linking Paroi and Senawang, this dual-carriageway serves as the bypass of the Seremban city centre to Kuala Pilah and vice versa.

[1] This dual-carriageway may also provide a direct link between the North–South Expressway Southern Route and the Kajang–Seremban Highway.

PLUS Malaysia Berhad (PMB), the operator of the North South Expressway (NSE), has proposed to build a toll road in Senawang, Negeri Sembilan, linking the Kajang–Seremban Highway (Lekas) E21 to the North–South Expressway Southern Route E2.

[2] At most sections, the Federal Route 242 was built under the JKR U4 road standard, allowing maximum speed limit of up to 70  km/h.