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roadway network,with existing roadway capacities. As the figure shows,the <br /> area where demand exceeds capacity is in the commercial and industrial core <br /> of the City. T.H. 10 is deficient through the entire length of the downtown <br /> district. Another significant problem area is Proctor Avenue north from T.H. <br /> 10, through the intersection with School Street and northwest along County <br /> Road 1 to the Elk River Industrial Park, and School Street east from the <br /> Proctor Avenue intersection to Jackson Avenue. T.H. 169 is deficient from <br /> the T.H. 10 interchange north to Main Street, as in County Road 13 from <br /> Tyler Street to the T.H. 169/Main Street intersection. Upland Avenue is <br /> deficient from T.H. 10 north to Meadowvale Road, and although it doesn't <br /> appear on the map, Meadowvale Road has the potential for congestion from <br /> Upland Avenue west to 192nd Avenue. Other isolated problem areas are on <br /> Jackson Avenue and School Street,both to the west from T.H. 169, and Main <br /> Street west from T.H. 10 to downtown Elk River. <br /> These areas identified as deficient are roadway segments where forecasted <br /> travel demand exceeds existing roadway capacity in an all-or-nothing <br /> ultimate assignment. They are not guaranteed to be the only problem areas <br /> as the City grows, but they are the most likely areas for congestion to <br /> develop. <br /> 3. Remedial Actions <br /> In this section, each roadway segment that is deficient in the ultimate <br /> development travel demand forecast is examined individually to identify <br /> improvements within the right-of-way that will likely be necessary. This is <br /> followed by descriptions of proposed additions to the roadway network and <br /> ' their impact on the remainder of the network. As a general introductory note, <br /> when the issue of congestion on a roadway comes up, the first place to look <br /> is its intersections. Traffic will generally flow smoothly on any roadway <br /> segment if there are not interruptions. The addition of access points, on-street <br /> parking, lane drops, etc. can have serious adverse effects on traffic flow. But <br /> ' intersections are the most critical features affecting traffic movement on a <br /> roadway. Improving traffic control and charmelization at intersections will <br /> often do more to increase roadway capacity than any other measure. This is <br /> particularly true when two congested roadways intersect. <br /> a. Improvements to Existing Roadways <br /> Trunk Highway 10 <br /> Ultimate travel demand forecasts suggest that T.H. 10 will become an <br /> extremely high volume arterial,with ADT's well over 50,000 through <br /> the central business district. Aside from increases in thru traffic, <br /> there are two primary internal causes for the heavy volumes: the <br /> filling in of areas zoned commercial in the CBD, and a large increase <br /> ' in commercial/industrial trip generation in the southeast corner of the <br /> City. T.H. 10 is currently accessed nearly every block between <br /> Upland Avenue and Main Street. Many of these intersections will <br /> ' CTP-230.156 -24- 230-156-80 <br />