Nothing in this chapter shall be construed as authorizing the Commonwealth Transportation Board to require the removal of the lines and works of any telegraph or telephone company from any street or road in either state highway system which such company is occupying by consent of the appropriate board of supervisors or other governing authority obtained under Chapter 159 of the Code of 1919 prior to June 22, 1926, without permitting such company to occupy some other part of the right-of-way existing or acquired for such street or road.