Datasets Activity Stream About Submit Order by Relevance Name Ascending Name Descending Last Modified Popular Go 1 dataset found Groups: Transportation Tags: i-90 jane addams memorial tollway mile marker tollway Filter Results ISTHA Coordinates for Mileposts on the Illinois Tollway, I-90 This dataset has a record for every milepost on I-90 of the Illinois Tollway that includes the route number, the milepost and the latitude and longitude. It lists a milepost... CSV