What is the difference between lo mein made with spaghetti noodles and traditional lo mein noodles?

The main difference between lo mein made with spaghetti noodles and traditional lo mein noodles is the type of noodle used. Spaghetti noodles are thinner and smoother, while traditional lo mein noodles are thicker and have a chewier texture. This difference in noodle type can affect the overall taste and texture of the dish.