Mn/DOT replaced Hwy 169 bridges spanning I-494 in the mid 90s and reconfigured the interchange to what exists today. Were the current congestion problems anticipated at that time?
The work at the I-494 interchange that occurred in the mid-90s was an important interim step toward improving safety in the area at the time, but was never intended to be a final resolution. With the projected traffic growth and the operations of the traffic signals, it was apparent that there would still be congestion until a more comprehensive project (i.e., the current project) could be done. The existing Hwy 169 bridges will be utilized in the current project. • The performance based design, which features six ramps instead of eight, was against FHWA recommendations. Is there a disagreement between the state and federal governments about how many ramps are sufficient? Though Mn/DOT and the FHWA disagreed about the performance-based design originally, both recognize that things need to be done differently in the future as funding options decrease. Building infrastructure based on performance and making decisions that are geared towards a low-cost, high-benefit solution are part of t
Related Questions
- If there are no flyover ramps from eastbound I-494 to northbound Hwy 169 or from southbound Hwy 169 to westbound I-494, how can one make those movements?
- Is there any difference in the Mn/Dot Level I course and the U of M Installer course?
- Does Mn/DOT sells used signs and, if so, how do I go about getting one?
