A possible sinkhole opened up on the southbound State Route 163 in the Linda Vista area of San Diego on Tuesday.
The sinkhole was reported at approximately 1:48 p.m. on the on-ramp of Genesee Avenue.
According to the California Highway Patrol (CHP), the size of the hole is unknown.
Caltrans is concerned over the possibility of a tree falling over due to its proximity to the sinkhole.
CHP said the Genesee Avenue on-ramp has been shutdown.
No other information was available.