Route
NH 334B runs 222 km from Partapur, Uttar Pradesh to Loharu, Haryana.
Crosses Uttar Pradesh and Haryana.
Through Partapur, Baghpat, Sonipat, Jhajjar, Matenhail, Charkhi Dadri, Badhra and Loharu.
Why it matters
NH 334B is a branch of NH 334. 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 Partapur to Loharu, and it meets NH 334 along the way.