This rollsign style were used on the R16, R27, R30, R32 and R38 class (even though some still had the older pre-1967 signage). Due to limited resources, i did my best to get it as accurate as possible. Feel free to use it. Content released UNDER a Creative Commons License
Here's a sample, set to the Culver Shuttle:

Outside:



Inside:



Complete set:
http://www.mediafire.com/?qi4h4n5htje7dh4Just the front signs:
http://www.mediafire.com/download.php?2sor1pma5yvukpjFeel free to use them in your projects!