People are being urged to only use public transport for limited purposes.
Prime Minister Boris Johnson imposed stricter measures on Monday evening to stop the spread of the coronavirus.
The Government has said that people should only use public transport to travel to and from work when "absolutely necessary" - if you are a key worker. See if this applies to you here.
Transport for Greater Manchester say in its latest statement: "Please do not travel unless it is absolutely essential - stay at home.
"Public transport should only be used for trips that are absolutely necessary to work, to get basic necessities, to care for others or for medical reasons.
"Train, tram and bus services have been reduced to maintain links for key workers. Check timetables before you travel.
"If you have to travel, wash your hands before and afterwards, cough or sneeze into a tissue and use contactless payments if possible.
"A small number of TfGM school bus services are running for the children of essential workers only.
"Travelshops across Greater Manchester are still operating today (Tuesday 24 March) with reduced opening hours.
"Further changes are likely - stay updated on the latest travel info and advice at tfgm.com/coronavirus."
Rail company Northern Trains are among the operators implementing amended 'Key Worker' timetables from today (Tuesday). Read more here.
Keep up to date with all the latest local and national developments here: https://www.questmedianetwork.co.uk/news/daily-coronavirus-updates/.