The incident occurred near the Xola station of line 2 of the metrobús, on axis 4 south, corner Petén, in the Narvarte neighborhood.
According to authorities, rain and traffic caused unit 3308 of the metrobús to be arrested at the exit of the low bridge over Avenida Xola, while unit 373 advanced until it causes the impact between them.
The drivers of the units gave notice to the Metrobús control center, from where emergency services were requested to assess the 12 injured.
Authorities said two people were transferred, but none seriously.
Both units remained on the site, where they began the investigations of the insurers.
