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' • , <br /> ' Feb. 8, 1983 BIKEWAYS <br /> -41- <br /> , (a) Designate the type and character of vehicles or In general, bikeways that are part of the roadway or <br /> other modes of travel which may be operated on a bicycle shoulder, will not necessitate any additional erosion control <br /> ' lane or bicycle way, provided that the operation of such efforts other than those provided in normal road con- <br /> vehicle or other mode of travel is not inconsistent with the struction. An exception to this would be the construction <br /> safe use and enjoyment of the bicycle lane or bicycle way of a rural roadway with a bikeway on the roadway <br /> ' by bicycle traffic. shoulder. In order to provide additional protection aqainst <br /> the formation of rills and gullies on the inslope adjacent <br /> (b) Esrablish priority of right-of-way on the bicycle to the bikeway it may be necessary to place a material such <br /> lane or bicyc/e way and otherwise regulate the use of the as wood fiber blanket, plastic nettinq over straw mulch <br /> ' bicycle lane or bicycle way as it deems necessary. or sod. <br /> (c) Paint lines or construct curbs or establish other An off-road bikeway is completely separated from <br /> physical separations to exclude the use of the bicycle lane vehicular traffic with its own or sharinq another facilities <br /> ' or bicycle way by vehicles other than those specifically riqht-of-way, erosion control for its construction will <br /> permitted to operate thereon. often be independent from but in most respects similar <br /> to erosion control practices used on roadway construction. <br /> ' The designating governing body may after public Therefore, an understanding of roadway erosion control <br /> hearing, prohibit through traffic on any highway or portion methods and materials is needed. The remaining portion of <br /> thereof designated as a bicycle lane, except that through this section will classify eros�on control methods into three <br /> traffic may not be prohibited on a trunk highway. The types, and qive examples and references for each type. <br /> ' designating qoverning body shall erect and maintain official <br /> signs giving notice of the regulations and priorities estab- Erosion control methods can be classified as temporary, <br /> lished under this subdivision, and shall mark a11 bicycle permanent, and/or requlatory. <br /> lanes and bicycle ways with appropriate signs. <br /> � Temporary erosion control methods include such items <br /> Subd. 4. Speed on street with bicycle lane. Norwith- as bale ditch stops, temporary flexible down drains, and <br /> standing section 169.14, subdivision 5, the governing body temporary seedinq(oats or rye).Temporary erosion control <br /> ' of any politica! subdivision, by resolution or ordinance items are short life items which are intended to supplement <br /> and without an enqineering or traffic investigation, may but not perform in place of permanent erosion control <br /> designate a safe speed for any street or highway under its measures. <br /> authority upon which it has estab�ished a bicycle lane; <br /> ' provided that such safe speed shall not be lower than Permanent erosion control methods include such items <br /> 25 miles per hour. The ordinance or resolution desig- as riprap, culverts, aprons, sod, permanent turf establish• <br /> nating the speed are erected along the street or highway, ment, sediment ponds, dams and shaping. Permanent <br /> as provided by the governing body. erosion conuol items are lonq life items. <br /> ' Information on permanent and temporary erosion <br /> control items may be found in the followinq: <br /> ' VIII. EROSION CONTROL DURING BIKEWAY <br /> CONSTRUCTION 1. Mn/DOT "Road Desiqn Manual", <br /> There is a lot of data available reqardinq erosion on <br /> ' construction projects. Basically, on a unit area basis, 2. MHD "Erosion Prevention and Turf Establish- <br /> construction is one of the hiqhest sediment yielding activ- ment Manual"; 1970 by L.E. Foote, D. L. Kill and A. H. <br /> iues known. Since bikeway construcuon is amilar to Bolland. <br /> ' roadway construction except on a reduced scale, most of <br /> the erosion control methods and devices used on roadway 3. Mn/DOT "Standard Specification for Hiqhway <br /> construction may also be used on bikeway construction. Construction"; current edition, sections 2105, 2575 and <br /> 3861 -3885. <br /> ' Erosion, the resultinq sediment and the deposition of <br /> that sediment can cause property damage, water quality There are numerous requlatory methods by which to <br /> problems and safety problems. Rill and qully erosion control erosion. Mainly these methods are qeared towards <br /> immediately adjacent to a bikeway represents a real safety reducinq or limiting the amount of time which elapses <br /> hazard to any bicyclist who leaves the ridinq surface, and between initial disturbance and project completion. An <br /> if the eroson is allowed to proqress it may cause damaqe excellent example is the withholdinq of funds or payment <br /> to the riding surface and/or other related structures. There- with release of these funds beinq made in proportion <br /> ' fore erosion control methods must be incorporated into the to the amount of erosion control and turf establishment <br /> desiqn, construction and maintenance of bikeways. items which have been completed. Examples of requlatory <br />