Road builders at the time were largely free to ignore environmental, historical, social or other concerns.

当时的公路建设者基本上可以完全忽视环境、历史、社会或其他方面的忧虑。

We're keen to work with road builders towards better sustainability, better performance, better roads.

我们渴望与道路建设者合作，以实现更好的可持续性、更好的性能、更好的道路。