- COORDINATES: 40.017426,-79.159716
- COUNTY: Somerset
- DISTANCE TO NEXT: Somerset-4
- EXPLANATION OF NAME: Named for Founder David Lavan
- FOUNDED: Lower keystone is missing
- MANUFACTURER: Geiser Manufacturing Company
- SHAPE: Standard 1-sided
- STATUS: Marker is located at West end of town. Both this marker and the one at the opposite end state "Somerset-4" for the next town. The bottom of the keystone is missing on both markers.

November 2019 photo by Mike Wintermantel

November 2019 photo by Mike Wintermantel
Lavansville Road at West end of town