The route is mostly hilly with three-lane stretches at points due to the steep uphills along the route, specifically eastbound.
ðə ɹˈaʊt ɪz mˈoʊstli hˈɪli wɪð θɹˈiːlˈeɪn stɹˈɛtʃᵻz æt pˈɔɪnts dˈuː tə ðə stˈiːp ʌphˈɪlz ɐlˈɔŋ ðə ɹˈaʊt, spəsˈɪfɪkli ˈiːstbaʊnd.