Why is the s 1 line in Beijing too slow?

Because it belongs to the demonstration line of medium and low speed maglev traffic operation. According to the information from official website of Beijing Municipal Transportation Administration, Beijing s 1 Line is a demonstration line of medium and low speed maglev traffic operation, which belongs to joint debugging and test vehicle, so the speed will be relatively slow. S 1 line vehicles have the advantages of strong climbing ability, small turning radius and low noise, but the speed of S 1 line train is only 80 kilometers per hour, which is a demonstration line for medium and low speed maglev traffic operation.