Legend (Highways/NHDOT_HIGHWAYS_Federal_Aid_Eligible_by_Tiers)

Tier 1 Federal Aid Eligible Highways (0) Tier 1-5 Federal Aid Eligible Highways (2) Tier 1-5 Federal Aid Eligible Highways (3) Tier 1-5 Non-Federal Aid Eligible Roads (5) Tier 1-5 Non-Federal Aid Eligible Roads (6)