Distance: 218 kms. Estimated duration: 3hrs.
Its recommendable to drive this section by daylight, due to strong traffic of busses and trucks. The first waypoint is Huaura (Km 164, Petrol Station). Town in which has kiosk on the sides of the road, where you may buy some drinks as well as biscuits. Exiting the town of Huaura you will see the turn-off road to Sayan asphalted. Other waypoints are: Supe (Km 188; be careful with tight curves before reaching the port), Barranca (Km 197; there good petrol stations, restaurants and hotels available) and Police check point in Pativilca (km 209), the starting point of the turn-off to Huaraz.
Take note: from this point to Huarmey you will not find any services. At Km 204 deviation to Cajatambo (On your right hand) and Paramonga on your left hand side). Last waypoints; entrance to Huarmey (Km 296, after passing bye the entrance to the port of Huarmey) and Puerto Culebras (Km 311). Dangerous curve 5 kms before arriving in Casma (Km 378), from where starts a deviation to Huaraz. Take note: You should fill your tank with petrol in Huarmey. The section which joins this city with Casma passes bye a deserted zone without any petrol station services.