projects in dozens of other cities worldwide. A bike memorial project was started in Durham, North Carolina, in 2013 to commemorate the death of two prominent cyclist and bicycle safety advocates. In late 2013 and early 2014, the Houston Ghost Bike Group has placed 47 ghost bikes to raise awareness during an especially deadly string of traffic violence involving automobiles taking place in Houston, many of them hit and run. As of this posting, they are working on 13 more bikes to bring the list of deaths in recent years up to date. There are currently over 630 ghost bikes that have since appeared in over 210 locations throughout the world. No single entity governs the installation of all ghost bikes, and they are sometimes removed by those who dislike the practice. See also Ghost shoes (traffic fatality memorial) Bicycle safety Ride of Silence Vehicular cycling Vision Zero – worldwide movement to reduce traffic violence fatalities, serious injuries References External links Information on ghost bikes around the world: Ghost Bikes (a project of OSM Belgium) and Ghost Bike. Ghost Bikes in Chicago Further reading Types of monuments and memorials Death customs Cycle types Cycling safety Cycling activism