The traffic signal for those turning left on to the SB I-15 on-ramp from westbound 10600th overpass needs to be re-timed as it's still usually green while the on-ramp has filled up waiting for the Meter signals. That signal should be timed shorter to prevent drivers from over-flowing into the eastbound traffic lanes, blocking traffic. Or the meter signals need to allow more throughput.
A. Green time too long; no vehicles present
A. Westbound Left Turn (to go south)
A. Weekdays around 4-4:30pm