The construction of China’s high-speed railway was not suspended en masse and the country’s achievements in train transportation should not be overlooked despite some high-profile mistakes, a senior railway official said Friday.Development of key rail projects will be guaranteed and continued, said Wu Qiang, director of the transportation unit of the Ministry of Railways."Investment in railways will total 500 billion yuan (79.37 billion U.S. dollars) this year, and the money used for railways under construction is assured,” Wu, a deputy to the National People’s Congress, the country’s top legislature, said while participating in this year’s parliamentary session.Wu said China’s high-speed railway has a promising outlook.