They are part of 60,000 obsolete vehicles the Government has ordered off the road and their licence plates cancelled.
The buses are regarded as unsafe and a danger to passengers and other drivers.
Statistics from the Vietnam Register show 2,000 out-of-date coaches arestill operating illegally in Hanoi and 12,500 in HCM City . Therest are carrying passengers in rural and remote regions.
Owners of the obsolete buses were required to return the number platesto the Traffic Police Office and scrap the vehicles, said Nguyen HuuTam, head of Traffic Police Team No 5.
Instead, many owners re-paint the buses and keep them on the road or sell them for use in outlying regions.
"We have just sent notices to owners revoking licence plates for about20 out-of-date vehicles," said Dao Xuan Lam, head of the Hanoi PublicSecurity's Vehicle Registration and Management Team.
Strict fines applied for violations, he said. Under the Government'sDecree No 34, which took effect on May 20, drivers of out-of-datevehicles are liable to fines of 4-6 million VND (209-314 USD), theirvehicles seized and drivers' licences suspended for 60 days./.