Relationship to Federal Environmental
Review Requirements (NEPA)
w TRED Study is Pre-NEPA
n ND US 2 EIS & MT US 2 Havre-Fort Belknap EIS were
NEPA
w If TRED shows high probability of traffic to
warrant  a four lane
- then-
w Next step is NEPA  -- using TRED  results for
Federally required “purpose and need”