Cars overtaking cyclists on different urban road types – Expectations about passing safety are not aligned with observed passing distances

Factors Influencing Lateral Distance and Speed of Motorized Vehicles Overtaking Bicycles

“…Generally, these norms require drivers to leave at least 1 m (or 3 ft) when passing through low-speed zones and 1.5 m in high-speed zones (12). Despite this, some studies have shown that these limits are usually not respected and that drivers are not aware of this type of policy (13)(14)(15). In Brazil, the minimum distance is 1.5 m, regardless of the road speed limit.…”