Dreams involving being chased often relate to feelings of anxiety or fear in waking life. In your case, Mitch Wilkinson from "National Treasure" could symbolize a pursuit of something valuable or a fear of losing something important, possibly related to family or personal goals. The setting on I-95, a major highway, may indicate a journey or a path in life that feels overwhelming or fraught with obstacles.
Consider what aspects of your life currently feel like they’re under threat or where you feel pressured. This dream could be prompting you to confront those issues rather than evade them. It might also suggest a need to protect your family or a desire to keep them safe from external challenges. Reflect on any recent events or stresses that could be manifesting in this dream scenario.