Section 5-341. Definitions

As  used  in this subchapter, unless otherwise
  expressly stated, or unless the  context  or  subject  matter  otherwise
  requires, the following terms shall mean:
    1.  "Improvement": The laying out, widening, extending or relocating a
  park, public place, highway or street, or the acquisition  of  title  to
  real property required for laying out, widening, extending or relocating
  a park, public place, highway or street.
    2.   "Excess  lands",  or  "additional  lands",  or  "additional  real
  property":  The real property in addition to the real property needed or
  required for laying out,  widening,  extending  or  relocating  a  park,
  public place, highway or street.