added lane tagging and turn lanes as observed in reality.

Realigned PIE towards towards at exit 3A, moved back exit 3A and added slip road to Simei Road as outlined in LTA's proposed changes, effective 21 November 2021.

restricted u turn within junction allowing one round turn while at junction.

removed road geometries added within SGH which no longer exist. Roads have already been removed on 29 December 2019. https://www.sgh.com.sg/patient-care/visitor-information/Pages/Changes-to-Road-Network-at-SGH-Campus.aspx

right turn not allowed as seen on imagery

added no u turn restriction along tuas road

corrected building address.

added swing gate with private access tagging at residents entrance to Mandarin Gardens

edited wrongly added service road which doesn't exist. And changed a segment of it to footpath

added u turn restriction from Velocity@Novena Square lobby to Thomson road due to double white lines preventing turn.

Changed road types to trunk and added road name Bukit Timah Road.

removed construction tagging, added roads and added urn restirctions on sections of tampines st 62 and tampines north drive 2 after conducting field survey.

addes access=yes for barrier node.

removed road drawn incorrectly in place where canal is.

altered geometry of motorway link at SLE exit 11

aligned way segments at Tanjong Rhu Road.

added turn restrictions along lower delta road

added road names to bukit purmei road and added turn restrictions along bukit purmei road

added slip road from mount faber road leading to Lower Delta Road and added turn restrictions along lower delta road

added road name Keppel terminal avenue and brani causeway as seen on onemap.