The transport decision should happen before the hotel decision. It changes which destinations combine naturally and where an overnight base remains practical.
Choose rail for the main corridor
Philadelphia and Harrisburg sit naturally on a rail-led trip, while the Pennsylvanian continues to Pittsburgh. Confirm the current operator timetable for your date and treat the long cross-state segment as a travel day.
Choose a car for region depth
The Poconos, Pennsylvania Wilds, Laurel Highlands, Gettysburg countryside and Lake Erie extensions become much more flexible by car. Build each day around one corridor instead of chaining distant attractions.
Check conditions, not averages
Weather, construction and incidents can change Pennsylvania road times quickly. Use 511PA close to departure, and recheck the rail operator rather than relying on a remembered schedule.