Contre-projet de l'Assemblée fédérale du 03.10.2003 relatif à l'initiative populaire "Avanti - pour des autoroutes sûres et performantes"
Contre-projet
| Canton | Electeurs | Votants | % Particip. | Oui | Non | % Oui | % Non |
| Zurich | 813'232 | 386'071 | 47.47% | 142'780 | 237'431 | 37.6% | 62.4% |
| Berne | 685'455 | 294'625 | 42.98% | 104'149 | 187'749 | 35.7% | 64.3% |
| Lucerne | 237'798 | 116'524 | 49.00% | 43'242 | 71'701 | 37.6% | 62.4% |
| Uri | 25'484 | 14'228 | 55.83% | 3'700 | 10'315 | 26.4% | 73.6% |
| Schwyz | 90'327 | 42'514 | 47.07% | 17'288 | 24'208 | 41.7% | 58.3% |
| Obwald | 22'980 | 10'741 | 46.74% | 3'856 | 6'519 | 37.2% | 62.8% |
| Nidwald | 28'342 | 14'430 | 50.91% | 5'060 | 9'114 | 35.7% | 64.3% |
| Glaris | 24'989 | 11'281 | 45.14% | 3'395 | 7'816 | 30.3% | 69.7% |
| Zoug | 67'809 | 35'338 | 52.11% | 14'637 | 20'429 | 41.7% | 58.3% |
| Fribourg | 165'060 | 66'679 | 40.40% | 23'699 | 41'758 | 36.2% | 63.8% |
| Soleure | 165'930 | 78'483 | 47.30% | 29'344 | 48'489 | 37.7% | 62.3% |
| Bâle-Ville | 116'541 | 61'491 | 52.76% | 21'009 | 39'713 | 34.6% | 65.4% |
| Bâle-Campagne | 179'535 | 87'738 | 48.87% | 32'354 | 54'134 | 37.4% | 62.6% |
| Schaffhouse | 48'054 | 30'634 | 63.75% | 9'764 | 19'578 | 33.3% | 66.7% |
| Appenzell Rhodes-Ext. | 35'572 | 19'786 | 55.62% | 6'849 | 12'772 | 34.9% | 65.1% |
| Appenzell Rhodes-Int. | 10'284 | 3'860 | 37.53% | 1'211 | 2'607 | 31.7% | 68.3% |
| Saint-Gall | 291'592 | 124'020 | 42.53% | 42'924 | 80'549 | 34.8% | 65.2% |
| Grisons | 130'358 | 47'713 | 36.60% | 11'847 | 35'034 | 25.3% | 74.7% |
| Argovie | 364'697 | 145'819 | 39.98% | 60'680 | 84'020 | 41.9% | 58.1% |
| Thurgovie | 146'793 | 56'048 | 38.18% | 18'726 | 35'990 | 34.2% | 65.8% |
| Tessin | 199'066 | 88'130 | 44.27% | 38'440 | 48'277 | 44.3% | 55.7% |
| Vaud | 375'679 | 187'065 | 49.79% | 72'633 | 111'892 | 39.4% | 60.6% |
| Valais | 190'061 | 59'397 | 31.25% | 16'494 | 42'013 | 28.2% | 71.8% |
| Neuchâtel | 105'317 | 59'338 | 56.34% | 22'080 | 36'297 | 37.8% | 62.2% |
| Genève | 220'667 | 123'724 | 56.07% | 49'234 | 71'163 | 40.9% | 59.1% |
| Jura | 48'249 | 17'360 | 35.98% | 5'237 | 11'932 | 30.5% | 69.5% |
| Suisse | 4'789'871 | 2'183'037 | 45.58% | 800'632 | 1'351'500 | 37.2% | 62.8% |
