Route
NH 333A runs 284 km from Barbigha, Bihar to Sundarpur, Jharkhand.
Crosses Bihar and Jharkhand.
Through Barbigha, Sheikhpura, Jamui, Jhajha, Banka, Godda and Sundarpur.
Why it matters
NH 333A is a branch of NH 333. In the national highway numbering used since 2010, a letter after the number marks a spur or link off the main route — this one runs Barbigha to Sundarpur, and it meets NH 333 along the way.