
Variable Density Tunnel
About Variable Density Tunnel
Variable Density Tunnel, at Langley Research Center, was added to the National Register of Historic Places and named a National Historic Landmark on the same day, Oct 3, 1985: one of 125 Landmarks in Virginia and 7 in Hampton. The Register lists it for its other, engineering and science, at the national level.
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 27 MB · National Archives↗1921 to today
- 1921Built, designed by Michael Max Munk
- 1985Added to the National Register and named a National Historic Landmark
- 2026On the Register for 41 years
Make it a walk: 3 landmarks in about 10 minutes
Langley Research Center, Hampton · about 0.3 miles on foot, as the crow flies















- 1Variable Density TunnelStart here
- 2
Eight-Foot High Speed TunnelBuilt 1936 · 0.3 mi on - 3
Full Scale TunnelBuilt 1929 · next door
2 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Other National Historic Landmarks nearby
The nearest Landmarks with a photo, within 25 miles, and the year each was named.
Memories of Variable Density Tunnel
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Variable Density Tunnel
Is Variable Density Tunnel on the National Register of Historic Places?
Yes. It was added on Oct 3, 1985 (Register number 85002795).
Is Variable Density Tunnel a National Historic Landmark?
Yes, since Oct 3, 1985. Virginia has 125 National Historic Landmarks, 7 of them in Hampton.
Can you visit Variable Density Tunnel?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Variable Density Tunnel?
In its National Register nomination, the form that put it on the Register: a 27 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 41679045 · Wikidata. Map tiles © OpenStreetMap contributors.

