Originally Posted by Yappofloyd

Construction progress as at 31 September:
1) MRT Orange Line: 86.26%
2) MRT Pink Line: 82.58%
3) MRT Yellow Line: 87.07%

Construction has also started on the MRT Pink spur line to Muang Thing Thani Lake.
BSR also announced a new opening timeframe ofr the MRT Pink line and MRT Yellow lines will which not open until mid 2022.

MRT Pink Line opening dates;
Stage 1 June 2022: Minburi - PK 30 to Govt Complex - PK12
Stage 2 August 2022: Govt Complex - PK12 to Royal Irrigation - PK05
Stage 3 2023: Royal Irrigation PK05 to Nonthaburi Civic Center - PK01

MRT Yellow line opening dates:
Stage 1 June 2022: Samrong - Y23 to Si Iam (Depot) Y17
Stage 2 August 2022: Si Iam (Depot) Y17 to Latphrao - Y01
Note: depending on progress the full line may open at once.