helium
30 / 32Civic systemsPrototype
30ChPrototype

Working experiment

Cascadia HomeLine

Test whether rail-adjacent land could support dignified transitional homes at meaningful scale.

Explore a Seattle-to-Everett corridor map and change unit-count, household, and cost assumptions.

Current move

Translate the existing imagined map into an inspectable scenario model.

TargetOct 20, 2026
First audienceHousing advocates and corridor communities
Question to answerCan someone change assumptions and understand the resulting capacity and cost tradeoff?
01 / FigmaPlanned

Clickable, annotated core journey.

02 / InteractionPlanned

One consequential action and observable result.

03 / Public URLPlanned

A Helium route first; a standalone domain when earned.

04 / EvidenceTest ready

Record the first real response without overstating validation.

Figma prototype

RIPEN

  1. Research
  2. Ideate
  3. Prototype
  4. Evaluate
  5. Needfinding
Public MVP

TAStE

  1. Triage
  2. Analyze
  3. Sequence
  4. t — to define
  5. E — to define

Choose your relationship
to the experiment.

Each role begins with a different useful contribution. Select the one that best describes you.

Your first move

Try the primary interaction

Use the MVP with a real situation, then describe what felt useful, unclear, or untrustworthy.

Start a conversation
Next experimentStatewide Universal Housing Dashboard→