sentences:  At a certain distance to the east near the sand dunes, Interstate 8 parallels the line closely, as infrastructure bunches up to cross the shifting sand dunes.For the next 10 miles (16 km), the line is squeezed tightly between the US-Mexico border and Interstate 8, until both Interstate 8 and the power line turn northeast.As Interstate 8 turns east again to reach Yuma, the line spans over and departs the freeway as the line continues northeast.