The eight vehicles, which were buried under mounds of earth, were dug up.
"The road has been opened but as a precaution, the vehicular movement would not be allowed from 7 pm to7am," Shimla Deputy Commissioner Rohan Chand Thakur said.
As many as 11 people, who were affected by the landslip, have been shifted to the newly constructed houses for the homeless by the municipal corporation.
Meanwhile, officials said Himachal Pradesh has so far reported 74 rain-related deaths during the monsoon this year.
The state has suffered a loss of Rs 664 crore to public and private property, they said.