Delaware Code Title 21. Motor Vehicles § 4350. Use of multiple beam road lighting equipment

(1) Whenever a driver of a vehicle approaches an oncoming vehicle within 500 feet, such driver shall use a distribution of light or composite beam so aimed that the glaring rays are not projected into the eyes of the oncoming driver.  The lowermost distribution of light or composite beam specified in § 4349(2) of this title shall be deemed to avoid glare at all times, regardless of road contour and loading;

(2) Whenever the driver of a vehicle follows another vehicle within 200 feet to the rear, except when engaged in the act of overtaking and passing, such driver shall use a distribution of light permissible under this chapter other than the uppermost distribution of light specified in § 4349(1) of this title.