Motorcycles can get on the expressway.

1.

Article 78 of the Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China: Motorcycles shall not exceed 8 kilometers per hour.

2.

Article 83 of the Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China: Two-wheeled motorcycles are not allowed to carry people when driving on expressways. The above two regulations show that motorcycles can get on the high speed.