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NYC Minimum Curve Radius--That table I promised you.

Posted by R36 #9346 on Wed Oct 5 16:20:35 2005, in response to Re: NYC Minimum Curve Radius, posted by Wayne-MrSlantR40 on Fri Sep 30 21:37:14 2005.

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Here's that table I mentioned earlier. Please note that I have only considered IRT and BMT lines in this table, since my data for the IND lines does not show curve radii.

CurveRadius (Ft) 
City Hall Loop147.25 
East of Crescent St147.5CL
D4 at portal north of 36 St/4 Av165 
South Ferry Station (inner)178 
West Farms Junction (North of E. Tremont)180 
North of Park Place190 
149 St Loop190 
South Ferry Station (outer)191 
North of Fulton St/William St195 
West of Marcy Av197 
South of Queensboro Plaza200 
North and South of Grand Central (4)(5)(6)200 
West of Cypress Hills200CL
North of Fulton St/Broadway200 
Malbone St (O1-264)200 
South of 45 Rd Station215 
Southbound N north of Queensboro Plaza218 
North of Simpson Street240 
Malbone St (O1-261)240 
South of Wall/William250 
South of Graham Avenue254CL
South of Clark Street272 
Compass-North of Wyckoff Av275CL
Northbound 1 north of Times Sq276 
North of Saratoga Av286 
West of Bowery295CL
South of E. 180 St300 
North of 9th Avenue/West End300CL
North of Brighton Beach300CL


CL indicates that a non-track centerline of survey was used to determine this radius. This means that the inside track of curves so marked has a radius smaller than that shown.

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