Compare Figure 3.21 with Figure 3.23, and explain the difference between the geodatabase and the coverage in handling the route data structure.

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Route ID 1 1 1 07 Section- ID 1 2 1 3 Figure 3.21 The data structure of a route subclass. 40 Arc- ID 7 8 9 2 8 F- T- MEAS MEAS 0 40 40 170 170 170 210 3 210 9 F- POS 0 0 0 T- POS 100 100 80