No not rude at all, but be aware of your travel companions and if your food smells bad to them.
People Also Ask
Many train companies have onboard catering facilities. These can include trolley services, counter buffet services and restaurant cars. The longer the journey, the more likely that there will be food and drink available on board. You're always welcome to bring your own food too.
While you can bring your own food and drink (alcohol included) onto most trains, many offer some type of food and beverage either for purchase or included in your ticket price. For example, UK's LNER trains serve sandwiches, snacks, coffee, juice, and more.
Stick with foods that have very little aroma or with aromas that aren't likely to offend. Anything excessively crunchy. An apple is usually ok, but we think eating a big bag of chips can get disruptive to other passengers.
Eating on German TrainsAll ICE trains have a restaurant wagon where you can sit down and receive table service. It's not a Michelin-starred restaurant, but you can eat plenty well on the train. Plus there's something especially enjoyable about having lunch and seeing the countryside whiz by.
All trains in Germany have toilets, and most intercity trains come with bistro and restaurant cars serving hot meals, snacks and beverages. There's no issue with bringing your own food and drink.
While you can bring your own food and drink (alcohol included) onto most trains, many offer some type of food and beverage either for purchase or included in your ticket price.
Science says taking the train is better for your health than driving to work. If you have a choice to drive or use public transportation, research suggests you should take the train. Studies show that driving 10 or more miles a day takes a severe toll on your body — mentally and physically.