The 3D models of traffic lights and camera are model and render with Blender3D. Then, they are import into Photoshop for a little bit of painting. I also composite some photos which I took with my phone is into the final artwork.
ArtworkThis is the final artwork which I have upload both in my pixiv and deviantart.
View more before and after 3D paint over images or read my written tutorial about painting over 3D render.
ReferenceDeviantArt Painting Over 3D Render and Foto
Pixiv Painting Over 3D Render and Foto
Youtube Using 3D Render and Photo for Background Landscape Art