Datasets Activity Stream About Submit Order by Relevance Name Ascending Name Descending Last Modified Popular Go 1 dataset found Groups: Transportation Formats: CSV Tags: veterans memorial tollway i-355 Filter Results ISTHA Coordinates for Mileposts on the Illinois Tollway, I-355 This dataset has a record for every milepost on I-355 of the Illinois Tollway that includes the route number, the milepost and the latitude and longitude. It lists a milepost... CSV