C-FJRN, a privately operated Beech C 23 Sundowner aircraft, was enroute from Ottawa/Macdonald-Cartier Intl, ON (CYOW) to Ottawa/Carp, ON (CYRP). Approximately 9 nautical miles West Northwest of CYOW at an altitude of 1500' ASL, the engine suffered a complete power loss. The pilot performed a forced landing on a nearby road. During the landing rollout, the left wingtip struck a road sign and the wing was substantially damaged. The pilot was uninjured. Reportedly, the fuel tanks were found to be empty following the occurrence.