Roads
cheapie

Advanced modern road infastructure (fork)

Solid Color Blocks
cheapie

Colorable (via unifieddyes) solid-color blocks.

Mesecons Cart Control
cheapie

Mesecons and digilines-controllable rails

LTC-4000E
cheapie

Advanced traffic signal controller

Arrow Boards
cheapie

Arrow boards for road construction

Hand Dryer
cheapie

Decorative hand dryers

Prefab Redo
cheapie

Cheapie's version of Dan's old prefab mod, which adds pre-fabricated concrete elements: catwalks, benches, ladders, railings...