A simple program interface to search the MUTCD code database. Please see MUTCD Code Search Interface.
Traffic sign coder helps users to find the location of the traffic sign in a given image and assign the MUTCD traffic sign codes. Please see MUTCD Traffic Sign Coder for more details.
You can download the source codes for the convex polygon detection at Media:tspr_convexpolygondetector_05302006.zip. It utilizes the OpenCV library. Executable binaries for Microsoft Windows also are available here Media:PolygonDetector.zip. Source documentations are available at Polygon Detector Documentation. This is generated automatically by Doxygen.
Recently, I found that people start archiving TSPR data. GTSRB is one of them I recommend.