(1) The road authority and railroad must agree to the installation of the improved crossing surface.

(2) Construction and cost sharing responsibilities will be allocated as follows:

(a) MDT, using road authority funds, shall pay for the improved crossing surface material;

(b) the railroad, at its expense, will prepare the track roadbed, drainage, and install the crossing surface material;

(c) the roadway through the crossing will be closed to traffic during the installation;

(d) the road authority will install and maintain detours and traffic control;

(e) if a detour requires major construction, the detour construction and necessary traffic control can be charged against the project.