Maintenance and risk estimation of a weak roadbed condition during the construction period are described.Risk-management procedure for unstable,weak soils is proposed through adjusting the technological loads and real-time monitoring of their influence.The efficiency of implementing maximum allowable vibroloads and the drainage system for strengthening weak soils is shown in the example of the Northern Latitudinal Railway area. Maintenance and risk estimation of a weak roadbed condition during the construction period are described. Risk-management procedure for unstable, weak soils is proposed through adjusting the resin loads and real-time monitoring of their influence. Efficiency ofabling maximum allowable vibroloads and the drainage system for strengthening weak soils is shown in the example of the Northern Latitudinal Railway area.