1) Macpherson Rd (Towards Paya Lebar Airport): Bet Upp S'goon Rd & Genting Lane - narrow lane width
2) Beach Rd (Towards Bras Basah Rd) @ Middle Rd junction: Curved and narrow lane width
3) Kg Java Rd slip road to Bt Timah Rd (City): Narrow left lane bend.
4) Upp Bt Timah Rd: DTL road work diversion, narrow bends