Generous benefactors, like Sir Richard Whittington, frequently contributed to the cost, and sometimes a tax called murage was levied for the purpose which was collected by officers named muragers.    From Wordnik.com.  [Vanishing England] Reference

For three days, the three busiest of the year, when we might do well out of tolls on carts and pack-horses and man-loads passing through the town to reach the fair, we must levy no charges, neither murage nor pavage.    From Wordnik.com.  [St. Peter's Fair]

"All we ask is that you will hold back a tithe of the dues you pay to the abbey, and pay them instead to the town for murage and pavage.    From Wordnik.com.  [St. Peter's Fair]

By fineounce and imposts I got and grew and by grossscruple gat I grown outreaches — ly: murage and lestage were my mains for Ouerlord’s tithing and my drains for render and prender the doles and the tribute.    From Wordnik.com.  [Finnegans Wake] Reference