Asian Highway 46 (AH46) is a route of the Asian Highway Network within India, from Kolkata in West Bengal to Surat in Gujarat.

[1] The route is part of old National Highway 6.

[2] This highway connects Surat-Bardoli-Dhule-Jalgaon-Akola-Amravati-Nagpur-Bhandara-Durg-Bhilai-Raipur-Saraipali-Bargarh-Sambalpur-Debagarh-Kendujhar-Baharagora-Kharagpur-Kolkata.

Various cities and towns in the Indian states of West Bengal, Jharkhand, Odisha, Chhattisgarh and Maharashtra lie on AH46 as follows:[1] AH46 is located entirely within India.

National highways have been renumbered since 2010.