Redmond and Kirkland, two cities east of Seattle, are experimenting with new pavement markings designed to show bicyclists exactly where to stop in order to trigger the embedded detection system that will give them the green light.

One of the frustrations of bike riding in the city can be the failure of traffic signals’ inductive loops buried in the street at intersections to be sensitive enough to detect the relatively lightweight bicycles.

The markings help strike a balance between increasing the system’s sensitivity, which could cause the loops to falsely detect traffic by picking up large vehicles in adjacent lanes, and having cyclists wait longer periods for their green signal.

A technical glitch is hindering Sound Transit’s ability to count riders on the month-old Link light rail line, reports SeattlePI.com.

Sound Transit spokesman Geoff Patrick said Tuesday the system began malfunctioning in the last few weeks and shouldn’t affect the accuracy of previous reports on ridership numbers.

Seattle’s new Link light rail line operated by Sound Transit opened July 20 to light first-day ridership.