The reviewed techniques have clearly highlighted the
potential of cooperative V2V technologies to distributedly
monitor road traffic conditions and detect congestion without
deploying additional infrastructure nodes. However, there are
inefficiencies and trade-offs (e.g. efficient use of the
communications channel versus accurate traffic conditions
estimation and congestion detection) that still need further
research. In this context, this paper proposes CoTEC, a novel
traffic congestion detection technique based on cooperative
V2V communications.