According to the popular website www.lonelyplanet.com, Highway 1 in Vietnam is the only way of Asia in the top 10 world's most beautiful roads for cycling tourists.

Www.lonelyplanet.com travel website of BBC Worldwide, the UK has announced the 10 world's most beautiful roads for cycling tourists. Accordingly, a national highway (National Highway 1) of Vietnam is the sole agent in Asia made the list.
This page describes: "The road running through the icons small country from north to south. This is one exciting journey for visitors to ride a bicycle in Vietnam. The road also runs along part of Vietnam's most beautiful coastline. On the way there are many steep mountain pass, especially going through the famous Hai Van Pass (Pass is 496m high) on the one hand in the mountains West and soothing sea in the east.
Take time to admire the lush rice paddies along the road, stretches of the valley or dive deep beneath the turquoise sea water and drop into the beautiful space in rural areas. "
In addition to Vietnam's National Highway 1,9 different path in the top 10 world's best way for visitors to ride a bicycle under UK, France, Italy, Canada, Australia, Cuba, Ireland, USA and New Zealand.