Definition of "decongest"

decongest

/diːkənˈdʒɛst/

verb
third-person singular simple present decongests, present participle decongesting, simple past and past participle decongested
1. To free from congestion
  Quotations
  Philip Haigh argues that the discussion in a private meeting of three options to decongest Manchester's Castlefield Corridor has reinforced a perception of 'increasing secrecy' around rail planning.
  2021 May 5, Philip Haigh, “I think we need better than this from the rail industry”, in RAIL, number 930, page 50, photo caption