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

Table 5

Queue length and waiting time results for ALINEA and HERO ramp control.

Ramp Location	Avg. Queue	Max. Queue	Spillback %	Avg. Wait Time	Max Wait Time
ALINEA
St.	48 ft	238 ft	0.0%	6.6 sec	61.2 sec
Southwest Blvd.	413 ft	1712 ft	12.8%	71.3 sec	372.3 sec
St.	195 ft	440 ft	2.1%	38.5 sec	82 sec
St.	N/A	N/A	N/A	53.5 sec	148 sec
HERO
St.	99 ft	230 ft	0.0%	18.6 sec	61.2 sec
Southwest Blvd.	430 ft	930 ft	0.0%	79.8 sec	200.8 sec
St.	160 ft	380 ft	0.1%	31.6 sec	73.5 sec
St.	N/A	N/A	N/A	53 sec	155 sec