TCCS 31:2020/TCĐBVN: Đường ô tô – Tiêu chuẩn khảo sát <img class="aligncenter wp-image-6162 size-full" src="https://tvxaydung.com/wp-content/uploads/2023/06/TCCS-31_2020_2.png" alt="" width="813" height="813"> <img class="aligncenter wp-image-6163 size-full" src="https://tvxaydung.com/wp-content/uploads/2023/06/TCCS-31_2020_3.png" alt="" width="812" height="208"> Tải văn bản tại: <a class="fasc-button fasc-size-medium fasc-type-flat fasc-ico-before dashicons-media-document" style="background-color: #ff0000; color: #ffffff;" target="_blank" rel="noopener" href="https://drive.google.com/file/d/1T8B_Hj3WmcC70y58NBOYkbO0XwALm86C/view?usp=sharing">Bản PDF (.PDF)</a>