Parking Resource Allocation Optimization Framework Based on a Two-Level Grid Model

Table 2

The optimal results under different maximal walking distances.

Walking distance threshold	200 without new facilities	200	250	300	350	400
Total cost	—	13712	6473	900	236	235
Walking distance	—	36457	41018	46422	46104	46066
New spaces	—	1310	1390	1456	1471	1475
Served parkers	2120	2750	2859	2943	2953	2953
Total demand	2953	2953	2953	2953	2953	2953
Percentage	71.8	93.1	96.8	99.6	100	100