The transportation staff for the City of Boulder were dispatched out to the city streets on a special mission Tuesday afternoon – to remove illegally posted traffic signs in at least four locations. The signs use some choice words for drivers, asking them to put their cell phones down, avoid distracted driving and obey the posted speed limit. Boulder Police said they don't know who posted the signs or when they were posted. The Boulder Daily Camera first reported on the signs Tuesday. Read more at: https://www.9news.com/article/news/crime/explicit-vulgar-traffic-signs-boulder/73-78a32e20-df43-4af7-8fb7-8962cb30fa4a More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.