Yes. In urban areas, there is also a shortage of space available for construction. Nevertheless, we certainly try to take into account existing constraints, but railway lines go through very large areas in our cities. As a result, a significant portion of the territory is affected regardless, even under current conditions. If rail activities increase exponentially, ultimately, shouldn't we push the neighbouring areas back, move away from certain areas, and create a buffer zone on both sides of the track? Then that would become problematic.
The most sustainable developed plan would see railway companies investing as much as they are able to generate from additional activities and investing in research and development to resolve the root cause of the noise problems, as many companies do for their own employees. Practically speaking, being in the vicinity of railway tracks is like sharing space with an operational industrial unit. So it would be normal for a railway company to take action. The Canadian Transportation Agency would be responsible for the rate of investment in that area. It would be normal for the railway company to invest in research and development to get to the root of the problem. Noise could be reduced considerably by reducing friction on the tracks and by improving locomotive equipment, as well as the use and management of this equipment.