On this weeks show: first up Chris discusses vulnerable road users, behaviour change and floating signifiers in the aftermath of two young women's deaths in New York and South Yarra, including the Coburg hit and run incident involving a teenage girl from last year.Thanks for 30: Yarra City Council will soon be trialling a 30km/h speed limit in a pocket of Fitzroy and Collingwood, Adam Ferrante from The Rose St. Artists’ Market talks about growing up, living and working in Fitzroy and how he supports the speed trial and changing attitudes to slower speeds.Second interview: Sam Luck, Principal of Collingwood College talks about creating a safer road environment for over 800 students and staff, who predominantly travel by foot, scooter and bicycle.News and events: last weekend saw the It's Time To Replace Walmer Street Bridge Rally in Abbotsford, with Richard Wynne committing to $200K for scoping works to commence the bridges overdue replacement.For more Melbourne bicycle news and events, follow Yarra Bicycle Users Group on twitter, facebook and our public events calendar.