Reauthorization of the Intermodal Surface Transportation Efficiency Act : hearings before the Subcommittee on Transportation and Infrastructure and the Committee on Environment and Public Works, United States Senate, One Hundred Fifth Congress, first session.

"March 22, 1997--Coeur d'Alene, Idaho ... May 7 and June 6, 1997--Washington, DC"--Pt. 2.

Trends in Federal domestic transportation programs, revenues, and expenditures : by state fiscal years 1957-1975 /

"DOT-P-10-78-46."

Learning Multirobot Hose Transportation and Deployment by Distributed Round-Robin Q-Learning

Multi-Agent Reinforcement Learning (MARL) algorithms face two main difficulties: the curse of dimensionality, and environment non-stationarity due to the independent learning processes carried out by the agents concurrently. In this paper we formalize and prove the convergence of a Distributed Round Robin Q-learning (D-RR-QL) algorithm for cooperative systems. The computational complexity of this algorithm increases linearly with the number of agents. Moreover, it eliminates environment non sta tionarity by carrying a round-robin scheduling of the action selection and execution. That this learning scheme allows the implementation of Modular State-Action Vetoes (MSAV) in cooperative multi-agent systems, which speeds up learning convergence in over-constrained systems by vetoing state-action pairs which lead to undesired termination states (UTS) in the relevant state-action subspace. Each agent's local state-action value function learning is an independent process, including the MSAV policies. Coordination of locally optimal policies to obtain the global optimal joint policy is achieved by a greedy selection procedure using message passing. We show that D-RR-QL improves over state-of-the-art approaches, such as Distributed Q-Learning, Team Q-Learning and Coordinated Reinforcement Learning in a paradigmatic Linked Multi-Component Robotic System (L-MCRS) control problem: the hose transportation task. L-MCRS are over-constrained systems with many UTS induced by the interaction of the passive linking element and the active mobile robots.

Federal and state policy influence on woody biomass utilization

A considerable portion of public lands in the United States is at risk of uncharacteristically severe wildfires due to a history of fire suppression. Wildfires already have detrimental impacts on the landscape and on communities in the wildland-urban interface (WUI) due to unnatural and overstocked forests. Strategies to mitigate wildfire risk include mechanical thinning and prescribed burning in areas with high wildfire risk. The material removed is often of little or no economic value. Woody biomass utilization (WBU) could offset the costs of hazardous fuel treatments if removed material could be used for wood products, heat, or electricity production. However, barriers due to transportation costs, removal costs, and physical constraints (such as steep slopes) hinder woody biomass utilization. Various federal and state policies attempt to overcome these barriers. WBU has the potential to aid in wildfire mitigation and meet growing state mandates for renewable energy. This research utilizes interview data from individuals involved with on-the-ground woody biomass removal and utilization to determine how federal and state policies influence woody biomass utilization. Results suggest that there is not one over-arching policy that hinders or promotes woody biomass utilization, but rather woody biomass utilization is hindered by organizational constraints related to time, cost, and quality of land management agencies’ actions. However, the use of stewardship contracting (a hybrid timber sale and service contract) shows promise for increased WBU, especially in states with favorable tax policies and renewable energy mandates. Policy recommendations to promote WBU include renewal of stewardship contracting legislations and a re-evaluation of land cover types suited for WBU. Potential future policies to consider include the indirect role of carbon dioxide emission reduction activities to promote wood energy and future impacts of air quality regulations.

Alternative financing for urban transportation - the state of the practice. Final report.

Federal Highway Administration, Washington, D.C.

U.S. Department of Transportation research and development plan /

"This DOT R&D plan is a key enabling element of our Strategic plan"--1st printed p.

Federal transportation policy and the coastal zone management program /

Final report; contract DOT-OS-70063.

Interstate transportation; a treatise on the federal regulation of interstate transportation and common carriers, including jurisdiction of the Interstate commerce commission.

Mode of access: Internet.

1974 national transportation study, State of Illinois : narrative report /

Cover title.

1974 national transportation study : phase 3, 1972-1980 program, State of Illinois, February 1, 1974.

Cover title.

Illinois state transportation plan, 2007 : safety, cost effective, quality of life, economic prosperity, environment.

"12/07"--Colophon.

Transit financing : an overview of the national transit financing picture in terms of Federal and state funding levels, fare structures and local revenue sources /

Mode of access: Internet.

Oversight of science and technology policy : joint hearing before the Subcommittee on Science, Technology, and Space of the Senate Committee on Commerce, Science, and Transportation and the Subcommittee on Science, Research, and Technology of the House Committee on Science and Technology ... February 14, 1978

"Serial no. 95-77."

Charges for private use of federally-provided transportation services and facilities;

Mode of access: Internet.

Interstate transportation; a treatise on the federal regulation of interstate transportation and common carriers, including jurisdiction of the Interstate commerce commission.

Second printing.