Research Article
Developing a Low-Cost Safety Improvement Program for Intersections in an Urban Roadway Network: A Case Study
Table 5
Alternate safety countermeasures at a location.
| Intersection | Countermeasure option 1 | Countermeasure option 2 | Countermeasure option 3 |
| Oxford St. and Smith St. | Flashing red stop signs | Flashing signal | Roundabout | Clay St. and E. Lewis St. | Double centerline and stop bars | Transverse rumble strips | Roundabout | S. Coliseum Blvd. and E. Pontiac St. | Median (delineators) | Median (delineator) + warning signage | Centerline rumble strips | SR 1 and N. Clinton St. | Protected left + all clear phasing | Delayed red signal | Increase pavement friction | S. Anthony Blvd. and Chartwell Dr. | Dedicated left turn lanes | Dedicated left turn lane 0.94 s w/No lane Diet | Dedicated left turn lanes (1 approach) | Parnell Ave. and E. California Rd. | Install left turn lanes | Close the median | | W. Rudisill Blvd and Fairfield Ave. | PPLT/FYA + all clear phasing | Increase pavement friction + PPLT/FYA + delayed red signal | | St. Joe Rd. and St. Joe Ctr. Road | All clear phasing | Delayed red signal + increase pavement friction | Increase pavement friction | Maplecrest Rd. and Stellhorn Rd. | PPLT/FYA + all clear | Opposing left turns | Increase surface friction | Maplecrest Rd. and St. Joe Ctr. Road | Protected left only + all clear phasing | Protected left only (PLO) | |
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