Arches National Park Parkwide Transportation and Visitor Use Study
The team at DJ&A worked with the U.S. National Park Service to design and conduct a study of parkwide vehicle travel routes and site-level traffic, parking, trail use, and attraction site crowding in Arches National Park. The team collected and processed all study data to produce statistical summaries, estimate statistical…
Acadia National Park Transportation and Visitor Use Management
The team at DJ&A conducted this multi-year, multi-phase program of work with the U.S. National Park Service to help inform the development of a parkwide Transportation Plan. The team led visitor capacity workshops, prepared a deliverable with recommended indicators, thresholds, and monitoring protocols, collected and analyzed onsite data, and developed…
Saguaro National Park Recreational and Non-Recreational Visitation Analysis
DJ&A worked with the U.S. National Park Service to use mobile location data to analyze recreational and nonrecreational visitation proportions on select roads that pass through the park and are used by park visitors and commuters. We worked with a U.S. National Park Service project core team that included park…
Redwood National and State Parks Parkwide Visitor Use Volumes and Patterns Study
DJ&A worked with the U.S. National Park Service and California State Parks (CSP) to analyze parkwide visitor use volumes and patterns using mobile location data for Redwood National and State Parks. We worked in collaboration with the U.S. National Park Service and CSP project core team to design the study…
Mount Rainier National Park Visitor Use Monitoring and Modeling
The team at DJ&A conducted this multi-year, multi-phase program of work with the U.S. National Park Service to address transportation and visitor use management issues in the Nisqually Corridor of Mount Rainier National Park. In the first phase, the team collected onsite data and developed a computer simulation model to…
Petrified Forest National Park Sewer Replacement Survey and Mapping
DJ&A completed the topographic survey and mapping for a 30-acre site in the Rainbow Forest area of the Petrified Forest National Monument. The survey information was used by NPS to design a new lagoon system replacement for use in the Park. A final mapping product with contour lines at 1-foot…
Great Sand Dunes National Monument Survey & Mapping
DJ&A completed a topographic survey for a 25-acre site with the Great Sand Dunes National Moment. The topographic mapping of the area was used to rehabilitate the local leech fields and antiquated sewer system. Areas surveyed included the headquarters area, maintenance area, housing area, road, and barn area. In addition…
Bandelier National Monument Trail Survey & Mapping
DJ&A was tasked with completing the survey and mapping for the design and repair of the existing Main Loop trail and adjacent highly-trafficked spurs near the Visitors Center at Bandelier National Monument. Park staff were interested in improving the accessibility, safety, and maintainability of this trail network, including bringing the…