the highway starts with the autopista las américas dr-3 (30 km east of santo domingo) and ends at the intersection cruce rincón de molinillos, samaná province. there are three different toll booths: the first one 300 metres after the southern start of the highway; the second one at km marker 16; and the third one was built in la reforma, right before samaná and the cruce rincón de molinillos intersection.