Grant planned for Sheridan 's cavalry to cut the remaining open railroads and for the infantry to turn the Confederates out of their positions if possible .
The remaining open railroads are the Southside Railroad and the Richmond and Danville Railroad to Richmond .
Grant planned for Sheridan 's cavalry to cut the remaining open railroads , the Southside Railroad and the Richmond and Danville Railroad to Richmond , and for the infantry to turn the Confederates out of their positions if possible .