RT @ETSC_EU: Swiss research shows 30 km/h zones reduced crashes by 38%
https://etsc.eu/swiss-research-shows-30-km-h-zones-reduced-crashes-by-38/
@bfu_ch @bpa_ch @upi_ch https://t.co/pmN7hb0UiU
🐦🔗: https://n.respublicae.eu/ElenaKountoura/status/1651200141846626306