added lane tagging and turn lanes as observed in reality.
restricted u turn within junction allowing one round turn while at junction.
right turn not allowed as seen on imagery
added no u turn restriction along tuas road
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
Changed road types to trunk and added road name Bukit Timah Road.
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 road name Keppel terminal avenue and brani causeway as seen on onemap.