Option	Signage (million)	Traffic calming (million)	Implementation costs (million)	Maintenance costs (million)	Total (million)
1a: Variable at schools	$2.6	$4.9	$3.4	$11.1	$22.0
1b: Variable at schools (accelerated)	$2.6	$4.9	$3.4	$11.5	$22.0
2a: Permanent at schools	$0.4	$4.9	$2.4	$5.0	$12.7
2b: Permanent at schools (accelerated)	$0.4	$4.9	$2.4	$5.3	$13.0
3: 40 km/h default	$0.4	$9.0	$3.7	$7.9	$21.0
4: 30 km/h default	$1.1	$18.5	$7.7	$17.4	$44.8
5a: 40 km/h default + variable at schools	$3.0	$9.0	$5.1	$15.3	$32.4
5b: 40 km/h default + variable at schools (accelerated)	$3.0	$9.0	$5.1	$15.7	$32.7
6: 40/30 km/h mix	$1.1	$18.5	$7.7	$17.4	$44.8