Streatham speed limit confusion - ÃÛÑ¿´«Ã½ Sounds

Streatham speed limit confusion - ÃÛÑ¿´«Ã½ Sounds
Streatham speed limit confusion
Road markings on Streatham High Road say it's 20pmh but signs say 30mph.
Road markings on Streatham High Road say it's 20pmh but signs say 30mph.