As a transportation expert with extensive experience in the field of rail operations, I can provide a comprehensive answer to your question regarding the operation of trains in snowy conditions. The ability of trains to run in the snow depends on several factors, including the type of train, the infrastructure of the railway system, the weather conditions, and the measures taken by the railway operators to ensure safe and efficient operation.

Step 1: English Answer

Train Design and Snow Operations
Trains are designed with various features to handle different weather conditions, including snow. Modern trains often have heating systems to prevent snow and ice from accumulating on critical components, and they may also be equipped with snow ploughs or other devices to clear the tracks. Some high-speed trains and locomotives are specifically designed to operate in cold climates, with features that allow them to maintain speed and safety even in heavy snowfall.

Infrastructure and Maintenance
The railway infrastructure plays a crucial role in determining whether trains can run in the snow. Railways with well-maintained tracks and switches are less likely to be affected by snow and ice. Snow removal equipment, such as snow ploughs and de-icing machines, are often used to clear the tracks and prevent the buildup of snow and ice. Additionally, the use of heated tracks can help to melt the snow and prevent ice formation.

Weather Conditions and Safety
The weather conditions, particularly the amount and type of snowfall, can significantly impact train operations. Light snowfall usually does not pose a significant problem for trains, but heavy snowfall can lead to delays and cancellations. When snowfall is accompanied by strong winds, it can create snow drifts that can block the tracks. As mentioned in the provided reference, if snow drifts exceed 30cm (about a foot), trains may not be able to run safely unless they are equipped with snow ploughs.

Operational Measures
Railway operators take various measures to ensure the safety and efficiency of train operations during snowy conditions. These measures include:


1. Speed Reductions: Trains may be required to slow down when approaching stations or points to prevent the compaction of snow on the rails, which can turn into solid ice and pose a hazard.


2. Route Changes: In some cases, trains may be rerouted to avoid sections of track that are more susceptible to snow and ice.


3. Passenger Information: Railway operators provide timely updates to passengers regarding delays, cancellations, and alternative travel arrangements.


4. Emergency Services: Railways maintain emergency services to respond quickly to incidents caused by snow and ice.


5. Continuous Monitoring: Weather conditions are continuously monitored, and operations are adjusted accordingly to maintain safety.

In conclusion, while trains can and often do run in the snow, their operation is subject to a variety of factors that ensure the safety and efficiency of the service. Railway operators employ a range of strategies and technologies to mitigate the impact of snow on train operations.

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When a train has to slow down as it approaches a station or set of points (which allow trains to change between tracks), this can cause snow to compact on the rails and turn into solid ice. ... If it causes snow drifts deeper than 30cm, or about a foot, trains can't run safely unless they're fitted with snow ploughs.read more >>