Leading Pedestrian Intervals (LPI) and Accessible Pedestrian Signals (APS)
Leading pedestrian intervals (LPIs) are a low-cost proven safety countermeasure that increase pedestrian visibility to turning cars. LPIs give pedestrians 3-7 seconds head start to begin their crossing before the parallel green light, allowing them to enter the...
What is an Accessible Pedestrian Signal (APS)?
APS provide essential information and safety to pedestrians with disabilities by alerting them to the status of the walk cycle via auditory, visual, and tactile cues.