The street or public road — outdoors in public spaces where people pass by (used in compounds like 'street speech').
政治家は街頭で演説を行い、有権者に訴えた。
The politician gave a speech on the street, appealing to voters.
街頭で募金活動が行われ、多くの人が協力した。
A fundraising campaign was held on the street, and many people cooperated.
彼は街頭インタビューに答えて、自分の意見を述べた。
He answered a street interview and expressed his opinion.