Should there be 12 Sundays each year without motor vehicles?

AI-generated summary, admin reviewed: This vote was about whether to have 12 Sundays a year where no motor vehicles would be allowed. The proposal aimed to promote a more environmentally friendly day of rest from cars.
VoteWorld wording adapted from a Swiss federal vote. Seed votes are official Swiss results for the original linked proposal, not votes cast on this adapted wording.
AI model: gpt-4o-mini

Seed source: Swissvotes federal popular vote dataset.
Swissvotes page: https://swissvotes.ch/vote/287.00
Official result data: https://bk.admin.ch/de/details-volksinitiativen?voteNumber=287
Vote date: 1978-05-28
Original Swissvotes English title: Initiative für 12 autofreie Sonntage pro Jahr
Original German title: Initiative für 12 autofreie Sonntage pro Jahr
Swissvotes keyword/additional content: Burgdorfer Initiative
Swissvotes short-description title: Jugend verliert gegen Autolobby: Nein zu zwölf autofreien Sonntagen
Original French title: Initiative pour douze dimanches sans véhicules à moteur
BFS result map (German): https://mapexplorer.bfs.admin.ch/?obs=politic⟨=de#c=indicator&i;=vp19780528.prop_oui_287_0
BFS result map (French): https://mapexplorer.bfs.admin.ch/?obs=politic⟨=fr#c=indicator&i;=vp19780528.prop_oui_287_0
Official chronology (French): https://bk.admin.ch/fr/details-initiatives-populaires?voteNumber=287