HEAD-UP DISPLAY SYSTEM AND TRANSPORTATION MACHINE

Provided is a head-up display system and a transportation machine including the head-up display system, the head-up display system including a windshield glass having a selective reflection layer and a projector including laser light sources of three colors of blue light, green light, and red light for forming a projection image on the windshield glass, in which the selective reflection layer includes the following selective reflection central wavelengths λ, λ, and λat a light incidence angle of 60°, 400nm≤λ