Rail & Highway Freight Planner (Zhongchuan Airport Bonded Zone)

Build a freight planning matrix from Lanzhou Zhongchuan area to Urumqi, Xi'an, and Chongqing. Return a table: lane, mode(rail/road/air), distance(km), typical transit, pallet rate estimate, peak-season surcharge note, cold-chain suitability. Add a lane-by-lane risk note (weather, bottlenecks) and a weekly dispatch cadence.