SenSafe: A Smartphone-Based Traffic Safety Framework by Sensing Vehicle and Pedestrian Behaviors

Table 2

Horizontal displacement and angle change of heading for single-lane change.

Displacement	1	2	3	4	5	Average
SenSafe (m)	1.91	1.61	3.06	2.1	2.45	2.226
Real (m)	1.92	1.59	3	1.9	2.27	2.136
Heading angle change	0.6	0.86	1.63	0.66	4.24	1.598