Sounder commuter rail. Sounder commuter rail (reporting mark SDRX) is a regional rail service operated by BNSF on behalf of Sound Transit. Service operates Monday through Friday during peak hours from Seattle, Washington, north to Everett and south to Lakewood.
Expert: Dr. David replied 3 years ago. clonazepam has a half life of between 20-50 hours. that means that there is a pretty good chance that in 2.5 days it might be detected in your urine.
The effects of Clonazepam take roughly 1 hour to kick in, the peak is roughly 2.5 hours...lasts a while and the duration is roughly 10-12 hours.