You may travel along Jln Tebrau (follow Kota Tinggi direction),
turn right at the interchange after Tmn Mount Austin interchange.
You will see Projet petrol station nearby.
Yes, there are buses. You can board at them at the bus stop
opposite City Square. Bus services are 225, 18 and 18A. If your
destination is Ros Merah section, you can take 39, 133, 133A, 138,
140, 200, 200A, 208, 224 and 504. I haven't took a bus to there
before, can't comment much on bus fare. Ros Merah is situated
between Giant Plentong and Carrefour, that is, the bus fare is RM
1.80 (subject to change). If your destination is not at Ros Merah
section, please take 225, 18 or 18A only.
Taxi wise, it will be more than RM 10, can't tell you the exact
fare. Please ask for the meter to be turned on.
