Switchback Turnpike
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Instructions
Control points
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/
∞
Sandbox:
OFF
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Alternative route
Proposed (at grade)
Bridge
Open Cut
Tunnel
Contour
Watercourse
Elevation Profile
Cost
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Time
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Target Beaten
✕
Close
Instructions
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Connect the two towns with a road minimizing cost and time. Get your cost to be 30% cheaper than the previously proposed route to win today’s puzzle.
Drag green handles sticking out of the control points to bend the road
Drag to move control points
Click on the road to add a control point
Right-click a control point to remove it
Scroll to zoom · drag empty area to pan
Double-click on profile view to zoom and pan there
Bridges cost $15M/km regardless of height.
Tunnels cost $25M/km regardless of depth.
Cut costs scale linearly with depth until it becomes the same as a tunnel.
Leaderboard runs use at most 10 control points — Sandbox lifts the cap.
Today's Submissions · Cost × Time
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Your current road
Submission
Pareto frontier
Your submission