Sayyiduna Ruwayfi' bin Thabit (may Allah be pleased with him) said: I heard the Prophet (peace and blessings be upon him) saying: "The one who takes unlawful tolls (maks) will be in the Fire", meaning the one who collects levies on the road.
Hadith Referenceالمعجم الكبير للطبراني / باب الراء / 4478