This is the code used in the experiments of the following paper:
Lingkun Wu, Xiaokui Xiao, Dingxiong Deng, Gao Cong, Andy Diwen Zhu, Shuigeng Zhou: Shortest Path and Distance Queries on Road Networks: An Experimental Evaluation. PVLDB 5(5): 406-417 (2012)
Please cite the paper if you choose to use the code