POTENTIAL CONFLICTS
Reducing curb radii can create safer environments for pedestrians however, it can also create limitations for larger vehicles. Trucks, buses, emergency vehicles may have difficulty at narrow intersections with small curb radii which could cause conflicts with pedestrians. These large vehicles cannot make sharp turns and could result in these vehicles driving on the curb potentially damaging it or hitting pedestrians.
COST Low cost
Construction can range from $15,000 to $40,000 per corner depending on site conditions.
Reducing the curb return encourages slower right-hand turning from drivers. Source
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