National Highway 381B, commonly referred to as NH 381B, is an inter-corridor highway connecting Musiri along NH-81 with Namakkal along NH-44 in South India.

[1] It is a spur road of National Highway 81.

[2] NH-381B traverses the state of Tamil nadu in India.

[3] NH 381B connects Musiri, Thottiyam, Ezlurpatty, Meikalnaikanpatty and Namakkal.

This article about a National Highway in India is a stub.