Table 5. Estimated number of amphibians successfully crossing the road per night along the studied road sections before and after mitigation, separated between mitigated and adjacent non-mitigated sections.

Section	Before	After	Δ
Site 1. Skårby
Mitigated	139.1	303.1a	+164.0
Non-mitigated	55.5	36.6	−18.9
Total	194.6	339.7	+145.1
Site 2. Kyrksjölöten
Mitigated	13.8	60.5a	+46.6
Non-mitigated	4.3	18.5	+14.3
Total	18.1	79.0	+60.9
Site 3. Skeppdalsström
Mitigated	8.4	10.5a	+2.1
Non-mitigated	2.8	3.0	+0.2
Total	11.2	13.5	+2.3

Notes:

Data were standardized to allow comparisons within and among sites; see text for further explanation.

^aIncluding the number passing through tunnels; see Table 4.