English to Russian Science Environment & Ecology

Добрый день, уважаемы коллеги!
Прошу вашей помощи в переводе выражения "road kilt". Контекст ниже.

The concentration of movements towards spawning sites requires specific measures to ensure sate crossing of transport infrastructure.

Measures have the following aims:
To block the access onto the road to prevent road kilts.

To enable amphibians to safely cross roads white moving between breeding and non-breeding sites.

Спасибо большое заранее!