0   km ▁of ▁side wal ks ▁▁ 5 5   km ▁of ▁bi ke ▁lan es , ▁ 1 5   km ▁of ▁bi ke ▁tra ils , ▁and ▁ 3 0   km ▁of ▁bi ke ▁routes ▁▁ 5 3 0 ▁brid ges ▁▁ 6 0 0 ▁ped est rian ▁c ros so vers ▁ ▁over ▁one ▁million ▁signs ▁▁ 4 , 1 0 0 ▁bus ▁sh el ters ▁▁ 5 , 5 5 6 ▁kilometres ▁of ▁roads ▁▁ 1 2 4 ▁kilometres ▁of ▁express ways ▁▁ 1 0 8 , 9 6 9 ▁kilometres ▁of ▁main ▁roads ▁▁ 8 1 4 ▁kilometres ▁of ▁collect or ▁roads ▁▁ 3 , 2 3 6 ▁kilometres ▁of ▁local ▁roads ▁▁ 2 9 3 ▁kilometres ▁of ▁lan ew ays ▁▁ 9 , 5 0 0 ▁streets ▁▁ 7 , 1 0 0 ▁kilometres ▁of ▁side wal ks ▁ ▁Snow ▁removal ▁The ▁T T SD ▁is ▁responsible ▁for ▁snow ▁removal ▁on ▁public ▁roads , ▁side wal ks ▁and ▁other ▁public ▁areas : ▁ ▁Total ▁kilometres ▁of ▁pl ough ed ▁side wal ks : ▁ 6 , 0 0 0 ▁ ▁Total ▁number ▁of ▁opened ▁drive ways : ▁ 2 6 2 , 0 0 0 ▁ ▁A ▁variety ▁of ▁city ▁and ▁contract ▁staff / equ ip ment ▁are ▁used ▁for ▁snow ▁removal : ▁▁ 5 9 2 ▁snow pl ows / grad ers ▁▁ 5 ▁Met rom elt ▁mel ting ▁machines ▁▁ ▁P D - 3 5 0 ▁snow ▁mel ting ▁tra iler ▁units ▁▁