- Commercial services rest areas feasibility studies (California – 8 sites, Arizona, & Wisconsin)
- Bay Area Rapid Transit system urban and regional impacts
- Financial feasibility analysis of proposed light rail/bus system – Grand Canyon National Park
- Fort Sumter Ferry concession feasibility study
- Yosemite Area Regional Transportation System EIS
- Statue of Liberty ferry concession feasibility study
- Alcatraz ferry concession feasibility study
- Super-speed rail (Los Angeles to Las Vegas) commercial service stations
- Impact of limited access highways on property values
- Feasibility of national tourist-oriented directional signing program
