A black spot is a place on a road where accidents often happen. The accident happened on a notorious black spot on the A43. Any of various fungal or bacterial diseases of plants, resulting in small black spots on the leaves or on other parts
If you describe a place, time, or part of a situation as a black spot, you mean that it is particularly bad or likely to cause problems. There are recognised black spots in marriages which can lead to trouble
A term used to refer to a section of road that is regarded as a high-risk location for car crashes Black spot programs are designed to reduce the crash risk in these areas by improving the physical conditions or management (eg, building roundabouts, improving lighting) For more information see The black spot program evaluation background and purpose (Bureau of Transport and Regional Economics, Commonwealth Department of Transport and Regional Services, Australia)