According to the study that compared weather patterns and taxi movement in Singapore, taxi drivers (from ComfortDelgro) are wont to park by the side of the road and remain stationary when it's pouring instead of risking an accident on slippery roads.
That's because of a taxi company policy that requires up to S$1,000 of a taxi driver's salary to be withheld when an accident happens. Only when the cabbie is cleared of any wrongdoing or negligence will the sum be returned.
One driver in particular, who wished to remain unnamed, related a similar experience with the previous taxi company he drove for — except what they set aside was a sum of money from the deposit he initially placed with them, and he was expected to top it up to the original amount while waiting for the outcome of the accident investigation. Full story