On 16 March 2020, the Malaysian government and SingaporenSingaporean government both announced on television that Malaysia and Singapore both would implement the [[Malaysian movement control order|Movement Control Order]] in response to [[COVID-19 pandemic]] in between [[COVID-19 pandemic in Malaysia|Malaysia]] and [[COVID-19 pandemic in Singapore|Singapore]], in what was described as the Malaysia Partial Lockdown and/or Malaysia Lockdown in local and international media.<ref>{{Cite web|url=https://www.thestar.com.my/news/nation/2020/03/16/malaysia-announces-restricted-movement-measure-after-spike-in-covid-19-cases|title=Malaysia announces movement control order after spike in Covid-19 cases (updated) |work=[[The Star (Malaysia)|The Star]]|access-date=18 March 2020|archive-url=https://web.archive.org/web/20200318000522/https://www.thestar.com.my/news/nation/2020/03/16/malaysia-announces-restricted-movement-measure-after-spike-in-covid-19-cases|archive-date=18 March 2020|url-status=live}}</ref> This was in response to increasing COVID-19 cases in between Malaysia and Singapore. However, on 17 March, the Causeway was facing immense jams due to the movement control order, therefore after this date, movement was restricted between Singapore and Malaysia as cases continued to be highest level and as well as highest mortality rate in Malaysia and Singapore.
On 1 April 2022, same day as the [[United Kingdom|U.K.UK]], [[Republic of Ireland|Ireland]], and every European countries, then-Malaysian Prime Minister [[Ismail Sabri Yaakob]] and Singaporean Prime Minister [[Lee Hsien Loong]] both announced that two countries' borderborders were had officially reopened as COVID-19 [[SARS-CoV-2 Delta variant|Delta]][[SARS-CoV-2 Omicron variant|cron]] hybrid cases declined in Malaysia and as [[SARS-CoV-2 Omicron variant|COVID-19 Omicron]] cases declined in Singapore.<ref>{{Cite web|url=https://www.straitstimes.com/singapore/transport/bus-services-170x-and-950-suspended-till-march-31-other-services-halt-malaysia|title=Coronavirus: Bus services 170X and 950 suspended till March 31, other services halt Malaysia legs ahead of lockdown|date=17 March 2020|website=The Straits Times|access-date=18 March 2020|archive-url=https://web.archive.org/web/20200318235814/https://www.straitstimes.com/singapore/transport/bus-services-170x-and-950-suspended-till-march-31-other-services-halt-malaysia|archive-date=18 March 2020|url-status=live}}</ref> Two years after the full closure, the Causeway and Second Link were finally reopened at both sides to all forms of private transportation. Travellers will have to be fully vaccinated, while unvaccinated children under the age of 12 will have to accompanied by a fully-vaccinated guardian. Travellers can travelcross betweenthe Malaysia-Singapore border for the purposes of family, business, and recreational trips.<ref>{{Cite news|url=https://www.straitstimes.com/singapore/transport/im-speechless-with-excitement-over-160-at-woodlands-checkpoint-ahead-of-border-reopening-at-midnight|title=Singaporeans, Malaysians rejoice as land borders finally fully reopen|first=Hermes|last=Auto|date=31 March 2022|work=[[The Straits Times]]|archive-url=https://web.archive.org/web/20220331145710/https://www.straitstimes.com/singapore/transport/im-speechless-with-excitement-over-160-at-woodlands-checkpoint-ahead-of-border-reopening-at-midnight|archive-date=31 March 2022|url-status=live}}</ref><ref>{{Cite news|url=https://www.malaymail.com/news/malaysia/2022/04/01/sheer-delight-relief-as-johor-singapore-borders-reopen/2050886|title=Sheer delight, relief as Johor-Singapore borders reopen|date=1 April 2022 |work=[[Malay Mail]]|archive-url=https://web.archive.org/web/20220331220207/https://www.malaymail.com/news/malaysia/2022/04/01/sheer-delight-relief-as-johor-singapore-borders-reopen/2050886|archive-date=31 March 2022|url-status=live}}</ref> The flow of cargo, goods, and food supplies had carried on as per normal.<ref>{{Cite web|url=https://www.channelnewsasia.com/news/singapore/singapore-malaysia-cargo-goods-border-restrictions-12547142|title=Flow of goods, food supplies, cargo to continue between Singapore and Malaysia: PM Lee|website=CNA|access-date=18 March 2020|archive-url=https://web.archive.org/web/20200318020443/https://www.channelnewsasia.com/news/singapore/singapore-malaysia-cargo-goods-border-restrictions-12547142|archive-date=18 March 2020|url-status=live}}</ref>