OpenStreetMap

Lake Shore Drive

Posted by Paul Johnson on 23 July 2011 in English (English)

This one seems odd...just noticed it in my RSS feeds. http://www.mapdust.com/detail/233220/1/viewcomm

Something tells me that 90 isn't the actual speed limit for Lake Shore Drive in Chicago.

Location: Little Vietnam, Uptown, Chicago, Cook County, Illinois, 60626, United States of America

Comment from JohnSmith on 23 July 2011 at 08:58

90 km/hr = 56 mi/hr

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Comment from compdude on 23 July 2011 at 15:39

That might be the speed in kilometers. If you change it to mph, say 55, put in "55 mph" in the maxspeed= * tag.

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Comment from Gnonthgol on 23 July 2011 at 17:13

It seems someone is confusing mph and km/h. OSM uses metric units so the data states that the speed limit is 90 km/h.

It is most common in the states to use mph so it shoud say "55 mph".

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Comment from Sundance on 25 July 2011 at 14:21

The other thing is if its 55 MPH it should be 88.514 km/h, implicitly OSM uses metric units so 90 would be 90 km/h. Like the others I'd use
maxspeed=55 mph

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