A dark railway signalling dashboard: a grey track diagram with the single line to Coldwater Moor in yellow, an orange chip for train 2C14 held at platform 1 and a note reading Clears block 14 in 3 min, beside a departure board with two orange late times, a row of figures for on-time share and delay cost, and a timeline of block 14 along the bottom
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Junction Board

A signaller's panel where one late train holds up the next

UnlimitedSVG track diagram, grey-normalsingle-line dispatch in plain functionstiming tower with FLIP rows5 designed app states
Prompt · tuned for Lovable

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Why per-tool prompts: Lovable needs component-level instructions, Bolt prefers a single spec, Cursor wants file structure, Codex a task brief that ends in checks. Each tab is written for its tool: same design, 5 dialects.

What this prompt builds

Panel 2 of a fictional signalling centre at Marrick Junction, grey until something goes wrong. Trains advance along the track diagram every 1.5 seconds; a late train on the single line holds the next one at platform 1, a chip says when block 14 clears, and the departure board reorders itself as delays come in. Click any train for its calling points and move it to another platform.

Paste it into Lovable, Bolt, Cursor, Claude or Codex, then change the copy, colours and footage to make it yours. Scroll the live demo to see exactly what it builds.

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