(a) Duty of multiple dispatching railroads to appoint a primary dispatching railroad for the crossing.

(1) Where more than one railroad dispatches a train through the same highway-rail or pathway grade crossing, the dispatching railroads for the crossing shall appoint one of the railroads to be the primary dispatching railroad for the crossing and, as such, the primary dispatching railroad for the crossing shall do the following:

(i) Provide its emergency telephone number to the railroad responsible for the placement and maintenance of the ENS sign(s) at the crossing;

(ii) Receive all reports through ENS of unsafe conditions at the crossing as required by §234.303;

(iii) After receiving a report of an unsafe condition at the crossing, promptly contact all other railroads that dispatch trains through the crossing to warn them of the reported unsafe condition, and, as appropriate, promptly contact the maintaining railroad(s) for the crossing as required by §234.305; and

(iv) Otherwise carry out its duties under this subpart as a dispatching railroad for the crossing, with respect to the crossing.

(2) After receiving a report of an unsafe condition at the crossing from the appointed dispatching railroad, each of the other dispatching railroad(s) to which the report pertains shall carry out the remedial action required by §234.305 and the recordkeeping required by §234.313.

(b) Duty of multiple maintaining railroads to appoint a railroad responsible for the placement and maintenance of the ENS sign(s).

(1) Where more than one railroad maintains the same crossing, the maintaining railroads for the crossing shall appoint one of the railroads to be responsible for the placement and maintenance of the ENS sign(s) at the crossing pursuant to §§234.309 and 234.311.

(2) The railroad appointed under paragraph (b)(1) of this section shall display on the ENS sign(s) at the crossing the emergency telephone number of the dispatching railroad for the crossing or, if more than one railroad dispatches a train through the crossing, the emergency telephone number of the primary dispatching railroad for the crossing identified under paragraph (a) of this section.

(c) Duty of multiple maintaining railroads with respect to remedial action at the crossing. Where there are multiple maintaining railroads for a crossing, the dispatching railroad (or, if more than one railroad dispatches a train through the crossing, the primary dispatching railroad for the crossing under paragraph (a) of this section) upon receipt of a report of an unsafe condition, shall promptly contact and inform the appropriate maintaining railroad(s) for the crossing of the reported problem. After each maintaining railroad for the crossing receives a report of an unsafe condition at the crossing that pertains to its maintenance responsibilities for the crossing, the maintaining railroad shall carry out the remedial action required by §234.305 and the recordkeeping required by §234.313.