Initially, the service will be run with male drivers, but if the initiative is a success it will put on female drivers.
Currently there are only 12 seats designated for woman on the buses, which is not many seats considering the increase in woman travellers.
A female can still travel on the mixed buses, that won't change, but there now a choice for those that feel more comfortable travelling in same sex public transport.
Dubai has had huge success with the Ladies only taxis (which takes ladies or families). There are about 40 female drivers in Dubai. I have taken these taxis occassionally (usually because they are next in line) and I have been much more comfortable than in the male taxi (where I am usually harrassed about my age, weight, marriage status, proposals and the like....
Anti discrimination in this part of the world, as much as I would like to believe it does exist and on some level it does, but nothing like it is in the West.
If you really look like your passport photo, you need the holiday!
"Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." - Mark Twain