Take junction 32 from the M4, take the turning for Cardiff Centre, or if approaching Cardiff on the A470, you enter a 40mph speed limit, then:
- At the 3rd set of traffic lights, turn left onto Tyn Y Parc Road.
- Go through next set of traffic lights. onto Tŷ Wern Road.
- Turn left at next set of traffic lights, onto Caerphilly Road.
- Turn right at 1st mini roundabout, onto Tŷ Glas Road.
- Go through traffic lights, follow road around two bends.
- Take second turning right onto Parc Tŷ Glas (opposite Llanishen Leisure Centre).
- S4C is the fourth building on the left.
Follow the signs for A470 and Merthyr. On the Flyover (at Gabalfa) keep to the right hand lane and follow the signs for A469 and Caerphilly (around Cross Inn). This is Caerphilly Road. Proceed until you reach the roundabout. Follow the instructions 4–7 as above.
Download a map of S4C's Cardiff location (pdf)
- In Caernarfon, proceed until you reach a roundabout (by Morrisons). Take fourth exit.
- Follow instructions 3-5 as above.
Download a map of S4C's Caernarfon location (pdf)