If you dream that you are hungry, the biggest chance of the dream explanation is that you havent ate enough before you went to bed and your body is giving the signal through your dream.
Dream dictionary: i went to see a ninge ladki dream meanings
The highway in dreams indicates your ability to go from one chapter of your life to another. The highway also indicates the things that happened for you in the past, the situation you are at the moment and the future that you are creating for yourself. If you are unable to move while being on the highway or do not know which direction to choose, then such dream shows that you tend to be in doubt about some issues in your waking life. If you went off the highway while driving, then such dream suggests to pay more attention to minor details instead of focusing only on the main ones. If you had an accident while being on highway, you should be careful with your surroundings.
If you see yourself in college, then such dream represents the variations that are happening in your life. Perhaps you are going through the period of your life, where you are trying to get more knowledge in some aspects of your life. The dream could also be interpreted as the suggestion to start something different and new in your life, because the unconscious mind of yours is ready for it. The dream could also represent the old times you are longing for, especially if you actually went to college when you were younger. If you are still the student, then it shows the present situation your life.