Initially I thought of creating some 3D land to be animated in Threejs, but I've discovered I should first take a little more time learning Blender. Then I found this nice studio. and I only had to draw the vehycles.
Some other cool folks who helped me are:
PixiJS html renderer
Spritesmith spritesheet generator
AIGA symbol signs
Trianglify background generator
Color CC palette
Dosis web font
Despite using a lot of thirdy party sources, this project helped me to find a definite concept for timeline based animations with an consistent desktop/mobile behaviour, which I intend to turn into some sort of plugin soon.
See the Pen Timeline based animation by Guilherme (@guilhermecruz) on CodePen.
Scroll based animation concept. Try editing some of the json values!