Template:NYCS Platform Layout IND Culver Line/doc

Usage
Platform layout for two-platform, three-track stations on IND Culver Line:
 * Avenue N station
 * Ditmas Avenue station
 * Avenue P station
 * Avenue I station
 * Bay Parkway station (IND Culver Line)
 * Avenue U station (IND Culver Line)
 * Avenue X station