Sahih Bukhari, Hadith: Q284, (24) Chapter. A Junub (person) can go out and walk in the market or anywhere else.

صحيح البخاري

Sahih Bukhari

كتاب الغسل

The Book of Ghusl (Washing of the Whole Body)

باب الجنب يخرج ويمشي فى السوق وغيره:

(24) Chapter. A Junub (person) can go out and walk in the market or anywhere else.