1.13K reviews
Content rating
PEGI 3
10K+
Downloads
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About this game

You are a freeway traffic engineer.

Draw freeway interchanges with your finger.

Optimize for efficency and avoid traffic jams.
Interchange Design for Autonomous Vehicles
Updated on
Feb 20, 2025
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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Ratings and reviews

988 reviews
Rosemary Harker
October 4, 2021
A fun little game whose restrictions make it simple to pick up and play. Much better on a large tablet than a phone. It can be frustrating that there's no undo or selective delete options, but those could complicate gameplay and I guess programming. What I would like is the option to save layouts for each level, so I can experiment without losing layouts I've spent a lot of time on. Quicker gameplay tip: touching a second finger to the screen shifts temporarily to level 1 bridge.
41 people found this review helpful
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Justin
January 4, 2022
An excellent little game, but completely let down by the overpass mechanics. It's impossible to reliably build an overpass, they go wrong more often than not (wrong place, wrong direction, don't join, no instructions, confusing icons), and with no undo button you just have to clear and start again from scratch. With that fixed it would be better than Mini Metro.
28 people found this review helpful
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Matthew
September 13, 2026
It's a fun game but there are a couple of issues, bugs are a problem that happens once in a while, I wish they would add a delete tool and not just an undo button, and the biggest thing is that there are only 2 worlds, for what you pay for there should be more as it only took me a week to finish the game with stars on every level. but overall a very fun game
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What’s new

A whole new 80 level map awaits!
Concrete on the map is cheaper and more plentiful, but traffic is worse! Luckily we've invented toll booths to earn some extra efficiency points.

And at long last, Undo technology has been invented!

And finally, your best scoring designs will be saved while you work on potential improvements. You can restore your highest scoring design at any time.