Hanoi, Feb. 11 -- Transport operators across Vietnam have prepared plans to increase capacity and services to meet surging travel demand during the Lunar New Year (Tet) peak, as tickets on many key routes are already sold out.

Surveys of airlines and interprovincial coach operators show that despite added trips and expanded capacity, most services are fully booked on peak days close to Tet and the post-holiday return period.

Authorities have issued directives requiring transport agencies to ensure smooth operations, maintain order and safety, and minimise congestion and traffic accidents during Tet and the spring festival season.

Since early February, major bus terminals in Hanoi, Ho Chi Minh City and Da Nang have been operating at hig...