Route
NH 334DD runs 45 km from Tappal, Uttar Pradesh to Bulandshahr, Uttar Pradesh.
Crosses Uttar Pradesh.
Through Tappal, Jewar, YEIDA Sector 32, YEIDA Sector 33 and Bulandshahr.
Why it matters
NH 334DD 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 Tappal to Bulandshahr, and it meets NH 334 along the way.