I have /dev/wd0g on /usr/local type ufs (local)
as root, I see:
atrium# pwd
/usr/local
atrium# ls -al
total 10
drwxr-xr-x  10 root   wheel  512 Mar  7 02:26 .
drwxr-xr-x  21 root   wheel  512 Mar  6 19:00 ..
drwxrwxr-x   3 local  local  512 Mar  7 17:11 bin

as a user, I see:
atrium 69% pwd
pwd: Permission denied
atrium 70% ls -al
ls: ..: Permission denied
total 18
drwxr-xr-x  10 root   wheel  512 Mar  7 02:26 ./

what the hell?

-j