Datasets Activity Stream About Submit Order by Relevance Name Ascending Name Descending Last Modified Popular Go 1 dataset found Tags: i-88 istha mile marker mileposts Filter Results ISTHA - Coordinates for Mileposts on the Illinois Tollway, I-88 This dataset has a record for every milepost on I-88 of the Illinois Tollway that includes the route number, the milepost and the latitude and longitude. It lists a milepost... CSV