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Highways & Co.

Do you hate building cities but love managing traffic? Design the perfect road network in this traffic simulator. Build interchanges, roundabouts, bridges, and tunnels with powerful road-building tools. Keep traffic flowing, solve congestion, and avoid a pile-up!

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Updated: Sep 24, 2026Developer scaleThe operating scale of the game's developer.
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Search Google: How is Highways & Co. and iamsahaj funded?FundingThe known source of funding behind the game.
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About the Game

Ever wish traffic was the whole game?

Ever played Cities: Skylines and wished you could spend less time building a city and more time figuring out how to make its roads actually work?

Highways & Co. is a traffic simulator game about designing road networks, solving traffic problems, and finding out whether your solution holds up under pressure.

Build the road. Open it to traffic. Find the problem. Fix it. Repeat.

Build the road you want

Create smooth highway ramps and functional slip roads. Build an expensive bridge over the railway, or settle for a level crossing. Upgrade a 2 lane road to a 3 lane road, or build a 3+2 lane asymmetrical road.

Build roundabouts or traffic lights. Manage lane connections and priority. Use different road types and elevations to create the network you need.

There is rarely just one way to solve a problem.

Then see if it works

When you're ready, open the network and let the traffic flow.

Every vehicle has a route, and its own driving behavior. Traffic merges, changes lanes, queues, and reacts to the network you've built.

Every destination has a required traffic threshold. Keep the network moving well enough to meet them all.

When something goes wrong, figure out why. Add capacity. Change a connection. Reroute traffic. Rebuild the junction.

KEY FEATURES

  • Ten road types, from country lanes and streets to four lane motorways

  • Set lane counts independently for each direction

  • Seven height levels, including cuttings, tunnels and viaducts

  • Signals, give way junctions, roundabouts and channelized slip roads

  • Precise lane connections and priority controls

  • Widen roads, convert them to one way, and change their class without rebuilding them

  • Railways and level crossings

  • A hand crafted campaign of challenging sites

  • Deterministic traffic simulation

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