During which condition is extra caution most emphasized for train operators?

The emphasis on extra caution for train operators during rainy weather is linked to several factors that can significantly affect train operations. Rain can create slick track conditions, which can lead to reduced traction for both the train and its braking system. When tracks are wet, the risk of wheel slip increases, which can lead to longer stopping distances and reduced control during operation.

Additionally, rainy weather often reduces visibility, making it more challenging for operators to see signals, track conditions, and other trains. This compromised visibility requires operators to be more vigilant and potentially reduce speeds to maintain safety. Furthermore, heavy rain can lead to flash flooding or water accumulation on tracks, increasing the risk of derailments or other accidents.

While winter conditions and peak service hours can also pose significant challenges, rainy weather uniquely combines slippery tracks and reduced visibility, necessitating an even greater level of caution from train operators to ensure safe operations.