A comparison of safety benefits of pedestrian countdown signals with and without pushbuttons in Michigan.
CONCLUSIONS: Although the Manual of Uniform Traffic Control Devices (FHWA, 2009) requires the use of PCSs at new traffic signal installations, this study suggests a safety benefit of installing PCSs with pushbutton at signals where a PCS without a pushbutton is present.
PMID: 29641260 [PubMed - as supplied by publisher]
Source: Traffic Injury Prevention - Category: Accident Prevention Authors: Boateng RA, Kwigizile V, Oh JS Tags: Traffic Inj Prev Source Type: research