At that time of night it's probably safer than at rush hour. Hope you have a mega bike light. I find it to be really useful but requires an 8 lb battery (not that bad, since hills are minimal on my commute).

Mine was good today with my newly tuned up bike (I did the 75 mile service, on the relatively new bike yesterday). Now the gear cable which had stretched, is retuned and clicks like a well oiled clock when shifting. Hot and humid now in Louisville: thanks Ohio Valley. Really all's well and the fun factor is high with this. Definitely get my 30 min of exercise per day and more.

Now planning to carry a small camera on my commute as I nearly always wish I had it with me on the rides. Saw a 3ft diameter oak felled on a house this morning after last night's wind storm. Tragic, but shows the resident's tolerance of nature, and that street IS unusually shady.