Road rules / ๐ฆ๐บ general
Roads are often most slippery:
โ ANSWER
When rain first falls after a long dry spell
The first rain lifts accumulated oil and dust into a slick film before it washes away.
All the options
- โWhen rain first falls after a long dry spell
- โAfter a week of steady rain
- โOnly in winter
- โOnly on concrete surfaces
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