I commute by bike through central London (Zone 4 to Zone 1). While I try to avoid busy roads (and roads at all, when I can), I don't feel like I'd be able to li

I commute by bike through central London (Zone 4 to Zone 1). While I try to avoid busy roads (and roads at all, when I can), I don't feel like I'd be able to listen to something while biking and still be safe. Is your bike route quiet enough that you feel safe listening & biking?