design runoff lengths ( l ) r 1 · 2019-08-06 · .79 94 02 09 17 216 225 234 243 252 261 252 263...
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NOT TO SCALE
3/13/2019 9:00:45 A
M
P:\Stand
Dra
w\D
ESIG
N S
TA
ND
AR
DS\Instructio
nal
Bulletin
s\2019\Fin
al-
Sig
ned\IB 19-04 - Std D
wgs R
D11s\D
GN P
DF\R
D11
LR
2-20190101.dgn
R 1
DESIGN NOTES
DESIGN RUNOFF LENGTHS ( L )
RARE BASED ON MINIMUM RADII, SUPERELEVATION, SPEED AND NUMBER OF LANES ROTATED.
SEE STANDARD DRAWING RD11-SE-1 FOR EQUATIONS, LEGEND AND GENERAL NOTES. TABLES1
SUPERELEVATION OF 3 PERCENT OR GREATER.
SPIRALS ARE RECOMMENDED FOR DESIGN SPEED OF 50 MPH OR GREATER AND DESIGN 2
01-01-2019 RD11-LR-2
RUNOFF
LENGTHS ( L )
FOR
RURAL HIGHWAYS
MINIMUM
DEPARTMENT OF TRANSPORTATION
STATE OF TENNESSEE
DRAWING
STANDARD
LLP
LENGTH AND TOTAL TRANSITION LENGTH.
SEE STANDARD DRAWING RD11-SE-1 FOR EQUATIONS TO CALCULATE TANGENT RUNOUT
TABLE VALUES ARE FOR MINIMUM RADIUS OF CURVE AND SUPERELEVATION RUNOFF LENGTH. 3
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