R R e e s s e e a a r r c c h h A A s s s s e e s s s s i i n n g g L L o o w w e e r r I I m m p p u u l l s s e e L L o o a a d d L L e e v v e e l l s s o o n n R R e e i i n n f f o o r r c c e e d d A A s s p p h h a a l l t t P P a a v v e e m m e e n n t t Final Report Prepared by Cold Regions Research Engineering Laboratory for the New Hampshire Department of Transportation in cooperation with the U.S. Department of Transportation, Federal Highway Administration