Tower Transit Temporary Route Diversion Poster for Chingay @ West Coast GRC & Pioneer SMC (Sv 79, 143 & 143M) Tower Transit Temporary Route Diversion Poster for Chingay @ West Coast GRC & Pioneer SMC (Sv 79, 143 & 143M) Tower Transit Temporary Route Diversion Poster for Chingay @ West Coast GRC & Pioneer SMC (Sv 79, 143 & 143M)