Making a city? Minecraft Modded.

I don't think I'll put all the mods though, it's already shown in the video.

Timestamps:
0:00 Creating a New Flat World.
1:03 Making a road.
2:46 Making a car.
5:35 Trying out the car.
6:14 Planting trees.
8:03 Test drive.
10:12 Making a parking lot.
14:38 Adding street lights to the parking lot.
15:38 Making a new car, the old one got /killed.
16:35 Lengthen the road.
19:05 Adding traffic.
22:30 Configuring the traffic.
23:20 Making an automated redstone to make the traffic automated.
23:40 Configuring the traffic time.
26:08 Lengthen the road again.
27:50 Making a railroad.

And then I'm struggling to figure how does the railroad stuff works.