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8820.9956 LOCAL STATE-AID ROUTE STANDARDS,FINANCING 42 <br /> 8820.9956 MINIMUM VERTICAL CLEARANCES FOR UNDERPASSES. <br /> Underpass projects must meet or exceed the minimum dimensions indicated in the <br /> following design chart. <br /> Rural-Suburban Design, Urban Design, Vertical <br /> Vertical Clearance Clearance <br /> (feet-inches) (feet-inches) <br /> Highway under Roadway Bridge 16-4 14-6 <br /> Highway under Railroad Bridge 16-4 14-6 <br /> Highway under Pedestrian Bridge 17-4 15-6 (a) <br /> Highway under Sign Structure 17-4 15-6 (a) <br /> Railroad under Roadway Bridge(b) 22-0 22-0 <br /> (a)For replacement of skyway structures, the minimum clearance over traveled way <br /> is the existing structure clear height. <br /> (b) Variances to the required minimum may be granted by the commissioner of trans- <br /> portation. That approval eliminates the need for a state-aid variance. <br /> Statutory Authority: MS s 162.02; 162.09 <br /> History: 20 SR 1041; 23 SR 1455;L 1998 c 403 s 29; 24 SR 1885; 29 SR 449 <br /> 8820.9961 MINIMUM DESIGN STANDARDS FOR 45-DEGREE AND 60-DEGREE <br /> PULL-IN DIAGONAL PARKING. <br /> Diagonal parking projects must meet or exceed the minimum dimensions indicated in <br /> the following design chart. <br /> Parking Angle Present Parking Stall Parking Stall Distance Length <br /> ADT Width Depth Between Traffic Along Curb <br /> Lane and <br /> Parking Stall <br /> (feet) (feet) (feet) (feet) <br /> 45 degrees < 3000 9 20 2 12.7 <br /> 60 degrees <3000 9 21 7 10.4 <br /> 45 degrees >3000 9 20 14 12.7 <br /> 60 degrees > 3000 9 21 19 10.4 <br /> Maximum legal speed limit must be 30 mph. <br /> At least two through-traffic lanes must be provided. <br /> Diagonal parking provisions must be established by cooperative agreement between <br /> the local road authority and the commissioner. <br /> The cooperative agreement must show the angle of parking and provide for pavement <br /> marking of the parking lanes. <br /> Minnesota Statutes, section 169.34,must be adhered to in determining diagonal park- <br /> ing spacing. <br /> Provide a two-foot clearance from the face of the curb to fixed objects. Parking meters, <br /> when spaced so as to not interfere with vehicle operation, are exempt. <br /> Statutory Authority: MS s 162.02; 162.09 <br /> History: 20 SR 1041; 23 SR 1455; 24 SR 1885 <br />