abreast
adverb /əˈbrest/
  /əˈbrest/
Idioms - next to somebody/something and facing the same way
- cycling two abreast
 - abreast of somebody/something A police car drew abreast of us and signalled us to stop.
 
Word Originlate Middle English: from a- ‘in’ + breast. 
Idioms 
keep abreast of something 
- to make sure that you know all the most recent facts about a subject
- It is almost impossible to keep abreast of all the latest developments in computing.
 - I like to keep abreast of current affairs.
 - It’s important to keep abreast with the latest legislation.