Previously, Lao Dong Newspaper published an article "Large-duty trucks causing great damage to Provincial Road 166 Yen Bai" reflecting on the serious deterioration of provincial road 166.
The articles clearly state the violations of many illegal sand and gravel yards in Y Can commune, Thinh Thanh commune, Co Phuc town, Tran Yen district.

Informing Lao Dong Newspaper, the Office of the People's Committee of Yen Bai province said that the Chairman of the Provincial People's Committee has just signed a document directing the inspection and strict handling of violations of road traffic laws on Provincial Road 166, violations of wharves, sand and gravel gathering areas in Tran Yen district.
The document clearly stated that the Provincial Police were assigned to preside over and coordinate with agencies, units and localities to strengthen inspection, control and timely and serious handling of traffic violations.
In particular, handling violations of regulations on transporting oversized and overloaded goods, "extending" inspection boxes of vehicles and vehicles that have expired, and transporting sand and gravel of unknown origin. Violations in the gathering, transportation, and trading of sand and gravel in the province, especially on Provincial Road 166 in Tran Yen district.

In addition, the Department of Construction was assigned to preside over and coordinate with relevant agencies to inspect compliance with the law in the field of transportation.
Specifically, regarding inland waterway wharves, connecting with provincial routes of sand and gravel mining enterprises, sand and gravel gathering wharves in Y Can commune, Thinh Thanh commune and Co Phuc town, Tran Yen district to promptly detect and strictly handle violations according to the provisions of law.
The People's Committee of Tran Yen district conducts inspections of compliance with the law of iron and gravel gathering yards, and sand and gravel mining enterprises in the management area.
Especially issues related to land use, mineral origin, and environment to promptly detect and strictly handle violations according to regulations.