Comparing methodologies to assess the environmental impact of freight transportation crossing two different routes connecting Pamplona with Irun

Over the last 10-15 years, environmental awareness is growing strongly and with it many changes are being brought about in many aspects of our society. Companies have also become aware of their role in this change. To reduce its environmental impact, one of the key points has been to reduce the impact of its transports. The impact of freight transport is diverse, both because of the range of externalities and the distances over which its adverse effects are experienced. A large percentage of goods are transported on roads, and consequently road transport is one of the main sources of pollution, within the scope of goods transport. In the case of the EU, most inland transport is carried out by road. This makes road transport the focus of most research to reduce the environmental impact of transport. The present work is developed in this context. A major challenge in this task will be to carry out a comparative study of the environmental impact of freight transport on two different routes which connect Pamplona with Irún. It should be borne in mind that this problem is subject to a very topical social debate. The routes are:

• Route 1. Pamplona- Irún via the AP-15 motorway.
• Route 2. Pamplona- Irún via the N-121-A road. To address this problem, several models that approximate the emission of gases must be analyzed and those that best adapt to the conditions that arise will be used to compare the environmental impact of both routes. In this way, it will be possible to determine which of the two routes has the least environmental impact.