Originally Posted by AlmostTrick

Part of the allure of the coaster brake is the minimalism. No levers or cables. While having a front brake in addition to the rear coaster brake is certainly wise, it's not needed for many situations.

I never took my coaster brake only Raleigh (posted above) on my work commute because it is on high speed roads during peak traffic periods, where I was more comfortable having front and rear brakes. But it was fun and plenty safe everywhere else I rode it.