Updated @ 10:28PM: The on-scene portion of the investigation has been completed and the previously closed on-ramp is now open.
The Boulder Police Department is currently investigating a motor vehicle crash which occurred this evening at approximately 7:05PM. The crash occurred on the on-ramp for Denver-bound HWY 36 from Baseline Road. There were two involved vehicles, one of which was a motorcycle. At least one of the involved individuals were transported to Boulder Community Health with serious injuries.
The Denver-bound on-ramp from east-bound Baseline Road remains closed as members of the Boulder Police Department Traffic Unit investigate this crash. There are no further details available at this time and this news article will be updated once the on-scene investigation concludes and the on-ramp opens.