S1U1P3E1R1E1L1E1V4A1T1I1O1N1S1
20 points
SUPERELEVATIONS is validvalid
SUPERELEVATION, the act of superelevating
SUPERELEVATION, the vertical distance between the heights of inner and outer edges of highway pavement or railroad rails
SUPERELEVATION, the act of superelevating
SUPERELEVATION, the vertical distance between the heights of inner and outer edges of highway pavement or railroad rails