Start your day with breakfast, even if you are travelling, do not skip it. You can choose anything among oatmeal, fruits, low fat yogurt, grains, wheat cereals of toasts. Avoid having fruit juices, as some may contain excess sugar.
If possible, make your lunch the heaviest meal, and have a light dinner. If you are going for a lunch at a fast food, avoid combo meals, just order a sandwich.
After a long day of hard-work, you may be tempted to eat delicious food, so start on with appetizers like salad or soups. Consume more fibrous vegetables like cabbage, carrots, cauliflower and avoid potatoes.
Take your time, and search for food outlets, which provides healthier options. There are many food outlets, which offer healthier foods in almost all travel areas.
Keep your immune system up by taking your vitamin pills. This is particularly important, if you are not eating as much fruits and vegetables, as you normally used to have.
These few healthy diet choices you make, will help the journey be extra joyful. So, do your best to eat healthy and keep yourself active. Even if you have few indulgences in meals during the travel, then come back and hop on to healthy diet, when you get home.