sentences:  Continuing on, I-81 and US 11 pass east of the Onondaga Indian Reservation, connecting once again at exit 16 before entering the city of Syracuse.At this point, the forests that had lined both roads give way to the dense residential neighborhoods that comprise the city's southern half.Roughly south of downtown Syracuse, I-81 meets with I-481, an alternate route of I-81 bypassing the city to the east.