When it is necessary for the commissioner to construct a highway which intersects or crosses over or under any railroad, said commissioner may order any railroad company to change or alter its existing facilities as required by such construction. The cost of such change or alteration shall be included in the construction costs of such highway.
Conn. Gen. Stat. § 13a-132
(1959, P.A. 46, S. 1; 1963, P.A. 226, S. 132; P.A. 73-675, S. 19, 44; P.A. 75-486, S. 34, 69; 75-568, S. 15, 45; P.A. 77-614, S. 571, 587, 610; P.A. 78-303, S. 85, 136.)
See Sec. 13b-271 re temporary grade crossings.