1390 LAWS OF MARYLAND. [CH. 561

sufficiently far above or sufficiently far below the grade of
any railroad track or tracks upon such railroad property so
that neither the proposed project nor any part thereof, includ-
ing any bridges, abutments, columns, supporting structures
and appurtenances, nor any traffic upon it shall interfere in
any manner with the use, operation or maintenance of the
trains, tracks, works or appurtenances or other property of
the railroad nor endanger the movement of the trains or
traffic upon the tracks of the railroad. Prior to the institu-
tion of condemnation proceedings for such easement over
or under such railroad property or right-of-way, plans and
specifications of the proposed project showing compliance
with the above mentioned above or below grade requirements
and showing sufficient and safe plans and specifications of
such overhead or undergrade structure and appurtenances
shall be submitted to the railroad for examination and ap
proval. If the railroad fails or refuses within thirty days
to approve the plans and specifications so submitted, the
matter shall be submitted to the Public Service Commission
of Maryland whose decision, arrived at after due considera-
tion in accordance with its usual procedure, shall be final
as to the sufficiency and safety of such plans and specifi-
cations and as to such elevations or distances above or below
the tracks. Said overhead or undergrade structure and
appurtenances shall be constructed only in accordance with
such plans and specifications and in accordance with such
elevations or distances above or below the tracks so approved
by the railroad or the Public Service Commission of Maryland
as the case may be. A copy of the plans and specifications
approved by the railroad or the Public Service Commission
of Maryland shall be filed as an exhibit with the petition for
condemnation.

122G. (Revenue Bonds.) The Commission is hereby auth-
orized to provide by resolution, at one time or from time
to time, for the issuance of revenue bonds of the State for
the purpose of paying all or any part of the cost of any
one or more projects. The principal of and the interest on
such bonds shall be payable solely from the funds herein
provided for such payment. The bonds of each issue shall
be dated, shall bear interest at such rate or rates not exceeding
five per centum per annum, shall mature at such time or times
not exceeding forty years from their date or dates, as may
be determined by the Commission, and may be made redeem-
able before maturity, at the option of the Commission, at
such price or prices and under such terms and conditions as
may be fixed by the Commission prior to the issuance of
the bonds. The Commission shall determine the form of the