Pub. L. 90-264, tit. I, sec. 104

Sec. 104. On or before April 15, 1968, the Secretary shall report to Congress the results of a full and complete investigation and study of the problems of transporting visitors along the Mall and its vicinity in the District of Columbia, on the United States Capitol Grounds, and to and from the National Visitor Center, including but not limited to, types of transportation to be utilized, the operation of any such transportation system, the feasibility of providing free transportation for visitors on all or any portion or such system, and proposed legislation to carry out his recommendations.