Which of the following is a geographic concern that would play the biggest role in planning new transportation infrastructure?

The answer to this question may vary depending on the specific context and region. However, one of the most common and significant geographic concerns that can play a major role in planning new transportation infrastructure is topography or terrain.

Topography refers to the physical features of an area, such as hills, mountains, rivers, and valleys. These natural geographic features can greatly influence the design, cost, and feasibility of transportation projects.

For example, if a region has rugged and mountainous terrain, it may require complex engineering solutions, such as tunnels or bridges, to construct highways or railways. These projects can be significantly more expensive and challenging compared to building infrastructure in flat or gently sloping areas.

Similarly, rivers or bodies of water can pose significant obstacles to transportation development. Crossing them with bridges or tunnels requires careful planning to ensure stability, accessibility, and safety. Moreover, the presence of wetlands, forests, or protected areas might require the implementation of mitigation measures or alternative routes to minimize environmental impact.

Therefore, topography is often a crucial concern when planning new transportation infrastructure, as it can affect project timelines, costs, technical requirements, and environmental considerations.