the connectivity between:
Way: Tanjong Katong Road (464964279)
Way: Meyer Road (467705316)
Way: Amber Road (467725328)
looks weird and perhaps needs to be investigated.

oneway direction of:
Way: 74737429
Way: 142868911
Way: 204335769
Way: 74737400
looks suspicious and perhaps needs to be investigated.

Way: Bukit Batok Street 25 (493619048) is not connected with other roads on this end.

Is this really part of St. George's Lane? Probably not.

Are Way: Lichi Avenue (122243549) and Way: Upper Aljunied Road (168188062) connected here (or not)?

this part of Way: 33298420 should be two-way instead of one-way, otherwise there is no way out.

This part of Way: Commonwealth Drive (74863993) is messed up.

Way: 22718626 oneway? need to double check.

Way: Punggol Place (300752873) oneway dead end.

Way: Jalan PJU 7/15B (334654607) oneway? There is no way out...