03-25-1991 Council Packet - Laserfiche WebLink

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b»2ing considered and there is no pre-conceivec aecisjon. Kj toiv: iTie that there is a current project involving an intersection on 494 that could be used to bring traffic to 3?4." (#5)DESIGNS OF EXISTING, UPGRADED ROADS Kelley suggested that it may be more boner iciai to have Rylander give his slide presentation, (item #5) on road design at this time. Rylander gave his slide presentation which focused on gjtisting corridors (freeways and expressways) were construci-e-i in a constrained areas. He showed a section of 1-94, heading east from 1-494/694 in Washington County heading toward VJisconsin. He stated that the right-of-way width is 300 feet, which is very wide and most preferable when adequate land is available. As a contrast he showed I-35E. in downtown St. Paul near the James J. Hil' House and the _h i Idren ’ Hospital. This ^design included four lanes (a parkway— 15 moh maximum speed), cO-foot high retaining walls, raised concrete median barriers, and a frontage road. The right-of-way for this road is 104 f2et, not including the frontage ro.id and walkways. Rylander noted that the left-hand shoulders of the road are more narrow than usual. He said, ’'There was a great numoer of design exceptions granted in this case. Tiiis does show that it is possible to have a four-lane road, with no interchanges, in a width of 110 feet. It is necessary to have additional right-of-way for access ramps. The next example of road design shown was TrunK Highw'.y 2:»2, which is an expressw*'. located in Brooklyn Park. Highway 252 connects Trunk Highv-.y 6.0 bridge and 1-694 and has a right-of-way width of 175 feet. The road design includes four lanes, shoulders, signalized intersections, and access control, which means there are no driveways. Tie recommended speed of this expressway i.s 55 mph for high speed movement of traffic. A portion of 1-394, west of Highway 110 wns shown next. This road is being constructed with three lanes :.n each direction, with the inside lane being designated as an express lane for carpools, buses, etc. The right-of-way for this design is 274 feet, including noise walls, two-way frontage roads on both sides, and a bike path. The right-of-way width does not include the extra footage required for access ramps. Kelley asked Rylander if he had a road design showing a one lane, two-way highway, much like existing H:.ghway 12. Rylander r'^plied, 'I did not include such a design in my slides because the projected traffic volumes for H .ghway 12 indicate that more lanes are needed." Kelley stated that it seems that someone has already jumped to the conclusion that the road will be four lanes. He said, "I am not sure that we need a four-lane road. I have not seen - 4 -