Curves Necessity, Functions and Type - Geometric Design of Railway and Traffic Control 

Thanks for the good presentation. Provid3 some info on design of the pway components like rails and ballast

The way explanation is good.keep post related to track

Rspctd mam urs way of explanation is vry nice, for this a lot of thnxx mam ,i m retired SSE from SE Railway, i was expert in flash butt welding field, bt i need u expert in pway field it is my dream,hnce urs rqstd to kindly help me in dis regards,i m 64 +yrs old student mam 😮😅😂

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