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DENVER — RTD is starting a new safety campaign that is designed to keep people safe around its buses and trains.

It’s a serious subject, but RTD is delivering the message with a sense of humor and a laugh.

It’s called “Dumb Ways to Die” and it’s a video that uses cartoon characters to get the message out.

It has been highly successful in Melbourne, Australia, where the transit company has been using it for some time.

The video has 120 million views on YouTube, and 75 million people around the world have signed the pledge to be safe when using buses and trains.

You can sign the pledge on Thursday at Union Station from 6 a.m. to 9 a.m. and 3 p.m. to 7 p.m.