Here is the full list of all 47 Cities in Motion achievements.
Build 50 lines on the same map
Build a line that is at least 10 kilometers long
Have one passenger use all different vehicle types in a single journey
Build 4 water bus lines on the same map
Collect 100,000 money
Complete 70 petitions
Have a working line going to the House of Parliament
Build 10 metro lines on the same map
20 hours played
Build 4 metro lines on the same map
Achieve a reputation of 100%
Have a working line going to Hofburg Palace
Have advertisement campaigns targeting all social groups running at the same time
Have a metro line with other vehicles bringing passengers to each station
Earn 500 profit for three months in a row
Pay 20,000 debt with monthly payments
Have a working line going to Koninklijk Huis
Collect 15,000 money
Transport 1000 passengers during November, December and January of any year.
Transport 10,000 passengers
Build 2 lines of any type
Build 10 lines on the same map
Build 30 lines on the same map
Have 70% reputation
Earn 1500 profit for one month
Have 10% coverage of any city
Pay 10,000 debt with monthly payments
Have a working line going to Brandenburg Gate
3 hours played
Build 5 bus lines on the same map
Build 20 bus lines on the same map
Build 5 tram lines on the same map
Have 0% reputation
Have 100% coverage of any city
Connect Tempelhof, Alexanderplatz, Schloss Charlottenburg and Potsdamer Platz
Own one of each vehicle available in the game
Build a line covering 40% of any city
Complete all Helsinki tasks
Complete all Vienna tasks
Complete all Berlin tasks
Complete all Amsterdam tasks
Transport 1000 passengers in one year using 5 vehicles or fewer
Transport 500 passengers to any Shopping Mall using only helicopters
Build 20 tram lines on the same map
Build 10 water bus lines on the same map
Build 4 helicopter lines on the same map
Build 10 helicopter lines on the same map