Fig. 1From: How eye movement and driving performance vary before, during, and after entering a long expressway tunnel: considering the differences of novice and experienced drivers under daytime and nighttime conditionsLocation of test tunnels. A Position of Shaanxi Province in China, B Test expressway in Hanzhong, Shaanxi Province, C Distribution of tunnels on the test expressway. Note a Qipanguan Tunnel, b Xiejialiang Tunnel, c Hejiaxia Tunnel; d No. 2 Yuandun Tunnel6, e Tielugou Tunnel, f No. 2 Youshui Tunnel, g No.1 Youshui Tunnel, h Qinglongya TunnelBack to article page