HCM 2010 Roundabout

13: W Thruston/E Thruston & SR 48

01/11/2023
Intersection
Intersection Delay, s/veh 14.2
Intersection LOS B
Approach EB WB NB SB
Entry Lanes 2 2 1 1
Conflicting Circle Lanes 2 2 2 2
Adj Approach Flow, veh/h 1724 883 33 27
Demand Flow Rate, veh/h 1741 892 33 27
Vehicles Circulating, veh/h 0 33 1707 888
Vehicles Exiting, veh/h 915 1707 34 37
Follow-Up Headway, s 3.186 3.186 3.186 3.186
Ped Vol Crossing Leg, #/h 4 2 6 0
Ped Cap Adj 0.995 0.998 1.000 1.000
Approach Delay, s/veh 17.7 7.6 12.2 6.4
Approach LOS C A B A
Lane Left Right Left Right Left Left
Designated Moves LT TR LT TR LTR R
Assumed Moves LT TR LT TR LTR R
RT Channelized
Lane Util 0.470 0.530 0.470 0.530 1.000 1.000
Critical Headway, s 4.293 4.113 4.293 4.113 4.113 4.113
Entry Flow, veh/h 818 923 419 473 33 27
Cap Entry Lane, veh/h 1130 1130 1102 1104 342 607
Entry HV Adj Factor 0.991 0.990 0.991 0.990 0.992 1.000
Flow Entry, veh/h 810 914 415 468 33 27
Cap Entry, veh/h 1114 1114 1090 1090 339 607
V/C Ratio 0.727 0.821 0.381 0.429 0.096 0.044
Control Delay, s/veh 14.9 20.1 7.2 7.9 12.2 6.4
LOS B C A A B A
95th %tile Queue, veh 7 10 2 2 0 0