I always see them stop

I agree its the tow trucks, cops and people texting that blow through red lights.

Another solution besides speed enforcement: This Image showing example of "temporary" curb extensions used widely in Europe and highly effective at reducing speeds and crashes when the city budget can't support immediate physical changes to the street geometry (eg roundabouts). These last 5-10 years and are a fraction of the cost of permanent infrastructure, and if effective, can eventually be replaced by something nicer (like the bump out the city put in at the corner of Nash and Lawrence for example).

Issue from 2011. If still a problem, please report as a new issue in the "Traffic/Road Safety" category.