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| Surface Transportation Efficiency Analysis Model (STEAM) | SMITE-ML 2.2 White Paper |
SMITE-ML Home | Table 1 | Next
| SOUTHERN SEGMENT | ||||||
|---|---|---|---|---|---|---|
| Length | 9.00 No Build |
9.00 No Build |
9.00 No Build |
9.00 No Build |
9.00 No Build |
9.00 No Build |
| Travel demand and highway capacity: | ||||||
| Total daily person trips | 445,000 | 445,000 | 445,000 | 445,000 | 445,000 | 445,000 |
| Percent in peak periods | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
| Transit mode share | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 |
| Bus occupancy (avg.) | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg. auto occupancy | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 |
| Avg carpool occupancy | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 |
| Off-peak avg. auto ccupancy | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 |
| Percent of traffic volume on freeways | 84.00% | 84.00% | 84.00% | 84.00% | 84.00% | 84.00% |
| Freeway capacity per lane (vph) | 2,370 | 2,370 | 2,370 | 2,370 | 2,370 | 2,370 |
| Number of restricted freeway lanes | 8 | 8 | 8 | 8 | 8 | 8 |
| Total arterial capacity (vph) | 4,000 | 4,000 | 4,000 | 4,000 | 4,000 | 4,000 |
| No 1 10 GP Ln |
No 2 4 ET+EB |
No 3 4 ET + BRT |
No 4 4 HOT+EB |
No 5 4 HOT+BRT |
No 6 10 H + BRT |
|
| Change in in-vehicle time | ||||||
| Solo driver | -6.9 | -7.9 | -7.7 | -6 | -7 | -21 |
| Carpool | -6.9 | -7.9 | -7.7 | -30 | -30 | -30 |
| Transit | -6.9 | -15 | -30 | -15 | -30 | -30 |
| Change in out-of-vehicle times (min) | ||||||
| Solo driver | ||||||
| Carpool | ||||||
| Transit | 0 | 0 | -5 | 0 | -5 | -5 |
| Change in out-of-pocket costs (cents) | ||||||
| Solo driver | ||||||
| Carpool | ||||||
| Transit | 0 | 0 | 0 | 0 | 0 | -100 |
| Freeway capacity per lane - managed lanes (vph) | 2,280 | 2,280 | 2,280 | 2,280 | 2,280 | 2,400 |
| Freeway capacity per lane- GP lanes(vph) | 2,400 | 2,310 | 2,310 | 2,310 | 2,310 | 2,280 |
| Number of restricted freeway lanes | 0 | 4 | 4 | 4 | 4 | 10 |
| Number of GP lanes | 10 | 6 | 6 | 6 | 6 | 0 |
| % of capacity used at LOS C (free-flow) | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.85 |
| No 1 | No 2 | No 3 | No 4 | No 5 | No 6 | |
| 10 GP Ln | 4 ET+EB | 4 ET + BRT | 4 HOT+EB | 4 HOT+BRT | 10 H + BRT | |
| Transit costs: | ||||||
| Transit subsidy per passenger mile | $0.50 | $0.50 | $0.50 | $0.50 | $0.50 | $0.50 |
| Cost per passenger mile for low fare service | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.20 |
| Highway costs (million $): | ||||||
| Construction cost per added lane mile | $10.00 | $10.00 | $10.00 | $10.00 | $10.00 | $10.00 |
| Construction cost per mile of lane separation | $0.00 | $2.00 | $2.00 | $2.00 | $2.00 | $0.00 |
| Interchange modification costs per mile | $20.00 | $20.00 | $20.00 | $20.00 | $20.00 | $20.00 |
| Direct connector ramp const cost per mile | $0.00 | $10.00 | $10.00 | $10.00 | $10.00 | $0.00 |
| Toll collection equipment cost per mile | $0.00 | $1.00 | $1.00 | $1.00 | $1.00 | $2.00 |
| Total capital cost per mile | $40.00 | $55.00 | $55.00 | $55.00 | $55.00 | $42.00 |
| Annual maintenance costs per added lane mile | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 | $0.05 |
| Annual law enforcementcosts per mile | $0.00 | $0.00 | $0.00 | $0.10 | $0.10 | $0.10 |
| Discount factor for 7% discount rate/30-year payback | 12.409 | 12.409 | 12.409 | 12.409 | 12.409 | 12.409 |
| Annualized highway cost per mile | $3.32 | $4.53 | $4.53 | $4.63 | $4.63 | $3.58 |
| Present value of highway costs | $371.17 | $506.17 | $506.17 | $517.34 | $517.34 | $400.34 |
| User and external benefits: | ||||||
| No. of construction days | 250 | 250 | 250 | 250 | 250 | 250 |
| % increase in delays due to construction | 100% | 100% | 100% | 100% | 100% | 100% |
| Fuel cost per gallon excluding taxes | $1.60 | $1.60 | $1.60 | $1.60 | $1.60 | $1.60 |
| External cost per VMT($) | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 | $0.06 |
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