Güzergâhları, kısıtlamaları, sıkışıklık alanları ve düzenlemeleriyle ulusal karayolu taşımacılığı ağı.
Diğer adları
national road transportation network · national road transportation system · national road transport network · public road transport network at national level · national road system · public road network at national level · public road transportation system at national level · public road system at national level