Here is the full list of all 19 TransPlan achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Complete 50 projects.
Remove 25 blocks.
Complete 40 projects.
Complete a project three below par.
Complete 35 projects at or below par.
Use 50 pins.
Complete 30 projects.
Complete 25 projects at or below par.
Complete 20 projects.
Wake 75 blocks.
Complete 15 projects at or below par.
Complete a project below par.
Complete 10 projects.
Complete all of "The Basics" projects.
Complete 5 projects at or below par.
Complete all of the "Master" projects.
Complete 60 projects.
Complete 70 projects.
Complete all of the "Master II" projects.