Research Article

Evaluation of Ramp Metering Impacts on Travel Time Reliability and Traffic Operations through Simulation

Table 6

Throughput and percentage change of throughput for the three control scenarios.

Control Scenario St.Southwest Blvd. St. St.

High Congestion Level Throughput (veh/h/ln)

No control1,5361,5921,6481,794
ALINEA1,604 (4.4%)1,624 (2.0%)1,724 (4.6%)1,776 (-1.0%)
HERO1,612 (4.9%)1,640 (3.0%)1,728 (4.9%)1,830 (2.0%)

Medium Congestion Level Throughput (veh/h/ln)

No control1,6001,5081,6482,104
ALINEA1,600 (0%)1,632 (8.2)%1,696 (2.9%)2,180 (3.6%)
HERO1,600 (0%)1,700 (12.7)%1,660 (0.07%)2,160 (2.7%)

Low Congestion Level Throughput (veh/h/ln)

No control1,6001,5361,5962,336
ALINEA1,600 (0%)1,604 (4.4%)1,688 (5.8%)2,048 (-12.3%)
HERO1,600 (0%)1,604 (4.4%)1,608 (0.8%)2,280 (-2.4%)