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SpeedCapacity

Lisa Zorn edited this page Nov 6, 2017 · 2 revisions

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Free flow Travel Speed and Capacity Look up Tables

MTC uses area type and facility type specific free flow travel speed and roadway capacity assumptions. The assumed quantities are shown in the table below.

Area Type Facility Type Free-flow Speed (miles per hour) Capacity (passenger cars per hour per lane)
0 (Regional core) 1 (Freeway-to-freeway connector) 40 1850
1 (Central business district) 1 40 1850
2 (Urban business) 1 45 1950
3 (Urban) 1 45 1950
4 (Suburban) 1 50 2000
5 (Rural) 1 50 2000
0 (Regional core) 2 (Freeway) 55 2050
1 (Central business district) 2 55 2050
2 (Urban business) 2 60 2100
3 (Urban) 2 60 2100
4 (Suburban) 2 65 2150
5 (Rural) 2 65 2150
0 (Regional core) 3 (Expressway) 40 1450
1 (Central business district) 3 40 1450
2 (Urban business) 3 45 1600
3 (Urban) 3 45 1600
4 (Suburban) 3 50 1650
5 (Rural) 3 55 1650
0 (Regional core) 4 (Collector) 10 600
1 (Central business district) 4 15 650
2 (Urban business) 4 20 700
3 (Urban) 4 25 700
4 (Suburban) 4 30 900
5 (Rural) 4 35 950
0 (Regional core) 5 (Freeway ramp) 30 1450
1 (Central business district) 5 30 1500
2 (Urban business) 5 35 1550
3 (Urban) 5 35 1550
4 (Suburban) 5 40 1550
5 (Rural) 5 40 1550
All (0 through 5) 6 (Centroid connector/dummy link) 18 Infinite
0 (Regional core) 7 (Major arterial) 20 900
1 (Central business district) 7 25 950
2 (Urban business) 7 30 1000
3 (Urban) 7 30 1000
4 (Suburban) 7 35 1050
5 (Rural) 7 40 1050
0 (Regional core) 8 (Managed Freeway) 55 2150
1 (Central business district) 8 55 2150
2 (Urban business) 8 60 2200
3 (Urban) 8 60 2200
4 (Suburban) 8 65 2250
5 (Rural) 8 65 2250
All (0 through 5) 9 (Special facility) Varies Varies

-- Main.DavidOry - 20 Aug 2015

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