Enter an oversize/overweight load and two US cities. Get the legal movement plan: which states need permits and escorts, travel windows, the stops the law forces, fees, each line citing the regulation it came from, with effective date and verification tier. A deterministic rules engine over primary-source law for the lower 48 + DC; no language model decides legality. Where the data is incomplete, the plan says so by name. Every plan is a proposal; the issued permit is the final word.