Follow London Trains in 3D
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deck.gl based visualiser of the TFL Api + National Rails to be able to track (with minimal drift) a train along the way in London and to the nearest airports. If you pick one from any platform in https://nexttrain.london basically you can share your train journey along the rails. Build to test Cloudflare workers and their infra along with deck.gl performance that is incredible in my opinion.
HN · launched Jul 4, 2026 · 156 upvotes (top 5%) · 2 views
Niche: public transit tracking software · 42 launches, 3 in the last 7 days ▼ -57% · Explore this niche →
Category and tags
- Horizontal
- B2C
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 42 launches in public transit tracking software →
Could you build this?
Yes It is a 3D visualization dashboard using deck.gl that maps real-time train positions from public TfL and National Rail APIs along GeoJSON rail geometries.
Discussion
20 comments analyzed.
Competitors mentioned: Cesium, Google Maps Tiles API, DB (German railways)
Concerns raised: Map tile alignment incorrect - doesn't match reality, Jarring/disorienting transitions between train selections, Z-buffer rendering issues with train cars occluding map, Tracks not grounded to map, sliding around, Trains simultaneously underneath and occluding the map visually
Feature requests: Smoother eased transitions between train selections, Realistic 3D buildings using Cesium or similar, Handle underground/overground rendering at appropriate locations (e.g., District Line near Hammersmith), Satellite view option, Scale bar on map
Competitors
Other products that read as similar to this one : 72 launches clear the similarity bar, closest 8 shown.
Attention rank: #2 of 73 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 226 days after the earliest competitor.
- Leave Now · ph · 2026-11-11 · 2 upvotes · similarity 0.51
- Foot & Line · ph · 2026-09-15 · 2 upvotes · similarity 0.50
- RouteFlick · ph · 2026-10-01 · 1 upvotes · similarity 0.46
- Offline-first UK train planner · hn · 2026-03-24 · 6 upvotes · similarity 0.45
- Planes.fyi · hn · 2025-12-17 · 8 upvotes · similarity 0.41
- The Official National Train Map Sucked, So I Made My Own · hn · 2025-12-21 · 77 upvotes · similarity 0.39
- Tokyo Trains · hn · 2026-08-11 · 13 upvotes · similarity 0.39
- Geo Racers · hn · 2026-02-12 · 152 upvotes · similarity 0.39
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