One lane traffic control is expected to be in-place this Thursday and Friday on Smith Grade Road in Santa Cruz county. Geotechnical investigations will be conducted between 8:30 a.m. and 4:30 p.m. those days, so that work can be done to prepare for Storm Damage Repairs in the area. 15 minute delays can be expected on Smith Grade Road this Thursday and Friday between P-M 0.43 and P-M 0.52.