62 STAT.] 80TH CONG., 2n SESS.-CH. 219-APR . 20, 1948 and safety, and of street and highway traffic control; investigations and experiments in the best methods of road making, especially by the use of local materials; studies of types of mechanical plants and appliances used for road building and maintenance, and of methods of road repair and maintenance suited to the needs of different locali- ties; for maintenance and repairs of experimental highways; for furnishing expert advice on these subjects; for collating, reporting, and illustrating the results of same; and for preparing, publishing, and distributing bulletins and reports; to be paid from any moneys available from the administrative funds provided under the Act of July 11, 1916, as amended (23 U. S. C. 21), or as otherwise provided. In carrying out the provisions of "An Act to provide that the United States shall aid the States in the construction of rural post roads, and for other purposes", as amended and supplemented (23 U. S . C . 1 -117), none of the money appropriated for the work of the Public Roads Administration during the fiscal year 1949 shall be paid to any State on account of any project on which convict labor shall be employed, except this provision shall not apply to convict labor performed by convicts on parole or probation: Provided,That during the fiscal year 1949, whenever performing authorized engineering or other services in connection with the survey, construction, and maintenance, or improvement of roads for other Government agencies, cooperating foreign countries and State cooperating agencies the charge for such services may include depreciation on engineering and road-building equipment used, and the amounts received on account of such charges shall be credited to the appropriation concerned: Provided further, That during the fiscal year 1949 the appropriations for the work of the Public Roads Administration shall be available for meeting the expenses of warehouse maintenance and the procurement, care, and handling of supplies, materials, and equipment stored therein for dis- tribution to projects under the supervision of the Public Roads Admin- istration, and for sale and for distribution to other Government activities, cooperating foreign countries and State cooperating agen- cies, the cost of such supplies and materials or the value of such equipment (including the cost of transportation and handling) to be reimbursed to appropriations current at the time additional supplies, materials, or equipment are procured, from the appropriation charge- able with the cost or value of such supplies, materials, or equipment: Provided further, That the appropriations available to the Public Roads Administration may be used in emergency for medical supplies and services and other assistance necessary for the immediate relief of employees engaged on hazardous work under that Administration, and (not exceeding $15,000) for temporary services as authorized by section 15 of the Act of August 2, 1946 (5 U. S. C. 55a), but at rates for individuals not in excess of $35 per diem (unless a higher rate, not exceeding $50, shall be approved by the Director of the Bureau of the Budget). For all necessary expenses to enable the President to utilize the services of the Public Roads Administration in fulfilling the obliga- tions of the United States under the Convention on the Pan-American Highway Between the United States and Other American Republics, signed at Buenos Aires, December 23, 1936, and proclaimed September 16, 1937 (51 Stat. 152), for the continuation of cooperation with several governments, members of the Pan American Union, in connection with the survey and construction of the Inter-American Highway as provided in public resolution, approved March 4, 1929 (Public Resolu- tion 104), as amended or supplemented, and for performing engineer- ing service in Pan-American countries for and upon the request of any agency or governmental corporation of the United States, $100,000 to be derived from the administrative funds provided under the Act of 185 Road-making exper- iments. 39 Stat. 355. Post, p. 1107. 42 Stat. 217. Construction of rural post roads. 39 Stat. 355. Post, p. 1107. Depreciation on equipment. Warehouse mainte- nance, etc. Medical supplies, etc. , in emergencies. Temporaryservices. 60 Stat. 810 . Inter-American Highway. Fulfillment of U. S. obligations. 45 Stat. 10W.
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