§ 51. Right of board of transportation to enter upon property. It
shall and may be lawful for the board of transportation, and for all
persons acting under its authority, to enter in the day time into and
upon any and all property which it shall deem necessary to be acquired,
or to which there may be appurtenant property rights which it shall deem
necessary to be acquired or extinguished by the city, for the purpose of
making the maps or surveys provided for by section fifty-two, and also
to enter in like manner and for the same purpose upon any property
adjacent to and within five hundred feet of the property to be so
surveyed.