Table 1: Quantitative/Qualitative Evaluation of the Baseline and Three Alternatives
| Evaluation Criteria | Baseline | PRT Alt. A | PRT Alt. C | Consolidated Shuttle |
| Transportation Service and Mobility | ||||
| Daily Ridership | 17,645 |
36,370 |
32,982 |
17,645 |
| Avg. ride times for study area (min.) | 11.9 | 5.9 | 3.4 | 5.0 |
| Avg. wait times (min.) | 5.1 | 4.7 | 3.4 | 5.0 |
| Total travel time | 17.0 | 10.6 | 8.1 | 16.7 |
| Trip reliabiltiy | Dependent on road conditions | 99.7% | 99.7% | Dependent on road conditions |
| Personal security | Subjectively defined | Subjectively defined | Subjectively defined | Subjectively defined |
| Change in peak hour vehicle volumes, for key intersections | ||||
| - 170th/SR99 (% cng. from Baseline) | 5,125 | 5,069(-1%) | 5,116(0%) | 5,116(0%) |
| - 188th/SR99 (% cng. from Baseline) | 8,663 | 8,535(-1.5%) | 8,547(-1.5%) | 8,556(-1.5%) |
| - 200th/SR99 (% cng. from Baseline) | 4,927 | 4,090(-0.5%) | 4,914(-0.5%) | 4,914(-0.5%) |
| Daily airport access roadway vols.(% change from Base) | 32,090 | 28,448(-11%) | 29,068(-11%) | 30,088(-6%) |
| Internal daily auto veh. miles travelled | 22,456 | 15,519 | 17,964 | 22,456 |
| Adjacency and Areawide Impacts | ||||
| Total daily VMT for all modes ( % cng. from Baseline) | 440,242 | 427,989(-2.78%) | 431,867(-1.4%) | 438,010(-0.5%) |
| Daily veh. emissions (kg/day) | ||||
| - Carbon Monoxide (% from Baseline) | 11,310 | 10,995(-2.8%) | 11,095(-1.9%) | 11,252(0%) |
| - Hydrocarbons (% from Baseline) | 949 | 922(-2.8%) | 931(-1.9%) | 944(0%) |
| - Nitrogen Oxides (% from Baseline) | 846 | 823(-2.8%) | 830(-1.9%) | 842(0%) |
| No. of sites impacted by noise (% of total sites along alignment) | Same as existing conditions | Baseline +72(16%) | Baseline +50(17%) | Same as existing conditions |
| No. of signif. views impacted | 0 | 0 | 0 | 0 |
| Right-of-Way requirement (acres of land) | 0 | 4.0 | 2.6 | 0 |
| Consistency with local/reg. plans | Yes | Yes | Yes | Yes |
| Transferability to other Urban Ctrs. | No | Yes | Yes | No |
| No. of homes potentially relocated | N/A | Negligible | Negligible | N/A |
| Environ. sensitive areas affected (approx. acres) | 0 | Negligible | Negligible | 0 |
| Accessibility to a Stop (% employees within study area) (% residents within study area) | 33.13% 0 |
99.82% 93.24% |
83.51%(PRT only) 85.9%(PRT only) |
33.13% 0 |
| Economic Feasibility | ||||
| Annualized capital costs (1996$) | $660,600 | $35,622,000 | $24,604,000 | $335,900 |
| Annual operating costs (1996$) | $8,771,100 | $10,308,000 | $10,598,000 | $3,955,000 |
| Roadway operations and maintenance cost | Negligible | Negligible | Negligible | Negligible |
| Annual operating cost per passenger (1996$) | $1.66 | $0.94 | $1.07 | $0.75 |
| Annual operating cost per vehicle-mile (1996$) | $3.00 | $0.43 | $.57 | $3.00 |
| Total annual cost per annual passenger (1996$) | $1.76 | $4.21 | $3.56 | $0.81 |