-Street level II, 4 lanes should according to table 3-3, select reliability design is 0.95, so, according to table 3-2 = 1.17 and determined. Eyc = 1.17 x 180 = 210.6 MPa
- Road-II, 4 lanes should follow Table 3-3, select the design reliability of 0.95, thus, according to Table 3-2 identify and .Eyc = 1.17 = 1.17 x 180 = 210.6 MPa