OAKLAND -- An 18-year-old Oakland man severely injured Saturday when his off-road motorcycle collided with a diesel truck remained hospitalized in critical condition Monday with head and internal injuries, police said.
A 17-year-old Oakland boy riding another off-road motorcycle who also collided with the truck was treated and released at a hospital, police said. Their names were not released.
The collision happened about 4:49 p.m. Saturday in the 9200 block of Railroad Avenue.
Oakland traffic Officer Dan Tirapelli said the riders were on dirt bikes going eastbound on Railroad Avenue and were apparently speeding.
They both collided with the diesel truck, driven by a 54-year-old Oakland man who was making a left turn from the westbound lanes of Railroad into a maintenance yard.
Both riders were wearing helmets and were ejected onto the roadway, police said. The tractor driver was not injured. His name was not released.
Tirapelli said it is illegal to ride dirt bikes on city streets. The police investigation is continuing and witnesses to the collision are being sought. Anyone with information may call police at 510-777-8553.