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Table 2 Turn delays (seconds) used in custom-built network datasets

From: Measuring geographic access to health care: raster and network-based methods

Turn type N1 N2 N3 N4 N5
Non-existent expressway turn 1,200 1,200 1,200 1,200 1,200
Reverse (non U-turn) 8 8 10 45 20
Left 4 5 8 30 8
Right 2 3 5 15 5
Straight (with crossroad) 1 0 2 1 1
Straight (no crossroad) 0 0 0 0 0