K.S.A. 13-10,117

The improvement or reimprovement may include the acquisition of right-of-way to extend or widen the street or for the rounding of corners or for the straightening of the street. The improvement, in addition to permanent construction or reconstruction, may also include necessary bridges, culverts, drainage, gutters, curbing and incidentals. For the purpose of this act, the resolution declaring a street to be a major traffic street shall be conclusive that such street is a major traffic street.