A WSN-Based Intrusion Alarm System to Improve Safety in Road Work Zones

Table 3

Distance effect on vehicle detection.

Vehicle speed ()	60 km/h
Angle ()	0°
Ambient temperature	18°C
Tested distances ()	1 m, 3 m, 5 m, 7 m
Repetitions (at each distance)	10
Results	Vehicle detected on all runs except for 2 times on 7 m test