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Table 1 Flexi-HOT Hourly Revenues and Costs for Moderate Congestion Scenario
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8-lane Freeway6-lane Freeway4-lane Freeway
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Base CaseFlexi-HOT AlternativeBase CaseFlexi-HOT AlternativeBase CaseFlexi-HOT Alternative
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Perfromance and Financial MeasuresFlexi-HOT laneFree lanesFlexi-HOT laneFree lanesFlexi-HOT laneFree lanes
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HOURLY TRAVEL DEMAND
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Traffic demand (vehicles/lane)2,0001,5002,0001,5002,0001,500
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Number of lanes per direction414313212
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Directional traffic demand (vehicles/hour)8,0001,5006,6086,0001,5004,6944,0001,5002,779
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Induced demand (vehicles/hour) 108194279
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Work commute traffic (% of vehicles)60.00%60.00%60.00%
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Work vehicle trips per hour4,8003,6002,400
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% work vehicle trips that are SOVs0.950.950.95
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Work SOV person trips4,5603,4202,280
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New transit person trips (%)15.00%15.00%15.00%
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New transit person trips (number)684513342
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Newtransit avg. vehicle occupancy (riders/vehicle)
30.0030.0030.00
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New transit vehicle trips231711
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Carpool vehicle trips480360240
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Total carpool + transit vehicle trips526394263
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Toll-paying vehicle trips97411061237
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Toll-payers as a % of total vehicles12%18%29%
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Total vehicle trips1,5001,5001,500
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SPEED CALCULATIONS
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Practical capacity (vph)7,2001,8006,3005,4001,8004,5003,6001,8002,700Capacity at level of service D
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Traffic volume (vph)8,0001,5006,6086,0001,5004,6944,0001,5002,779Traffic volume in GP or priced lane
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Free-flow speed (mph)656060656060656060Speed at level of service A
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Alpha parameter in BPR formula0.250.250.250.250.250.250.250.250.25Alpha parameter in BPR formula
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Beta parameter in BPR formula999999999Beta parameter in BPR formula
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Calculated speed using BPR formula (mph)39.557.243.339.557.244.039.557.245.3
Using BPR formula with above inputs
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Trip length on freeway (miles)101010101010101010
Assumed length of upstream congestion
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Travel time per trip (minutes)15.210.513.815.210.513.715.210.513.2Calculated as miles/speed
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Travel time saved compared to free lanes (min.)
3.43.22.8Time saving compared to GP lane
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Average toll per trip ($)$6.00$3.00$1.50Average toll rate assumed
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Value of time ($ per hour)$107.24$56.83$32.65Calculated as time saved/toll
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HOURLY REVENUE CALCULATIONS
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Total number of toll-payers per hour9741,1061,237
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Average toll per trip ($)$6.00$3.00$1.50
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Toll revenue per hour ($)$5,846$3,317$1,8567.5
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HOURLY REWARD COST CALCULATIONS
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Total number of transit riders per hour 684513342
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Reward per transit passenger trip ($)$1.00$1.00$1.00
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Total cost of rewards per hour ($)$684$513$342
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% of revenues used for cash rewards12%15%18%
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Net revenue after reward costs ($)$5,162$2,804$1,514
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HOURLY TOLLING OPERATION COST
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Number of tolled vehicles (vph)97411061237
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Operation cost per tolled vehicle ($)$0.20$0.20$0.20
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Total tolling operation cost per hour ($)$195$221$247
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Net revenue after tolling and reward cost ($)
$4,968$2,583$1,266$2,939.04
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HOURLY TRANSIT SERVICE COST
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Number of transit vehicles (vph)231711
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Operation cost per transit vehicle ($)$140.00$140.00$140.00
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Total transit operation cost per hour ($)$3,192$2,394$1,596
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Net revenue ($)$1,776$189-$330$545.04
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