Vehicle lamp and vehicle lamp unit

摘要

A lane mark irradiation lamp forming a pair of light distribution patterns on left and right sides of the road surface ahead of a vehicle. The light distribution patterns are formed so as to extend along the lane marks provided on the road, and the luminous intensity distribution of the light distribution patterns in lateral direction in a first angle position that is in a downward direction at a predetermined angle with respect to a longitudinal axis of the lamp is set so as to have peaks on both sides of such a longitudinal axis.