Free access
Errata
Aug 20, 2014

Erratum for “Safety-Based Volume Warrants for Right-Turn Lanes at Unsignalized Intersections and Driveways on Two-Lane Roadways” by Gom Bahadur Ale, Amiy Varma, Brian Gage, and Sunil Gyawali

You are viewing the correction.
VIEW THE CORRECTED ARTICLE
This article has a reply.
VIEW THE REPLY
Publication: Journal of Transportation Engineering
Volume 140, Issue 12
During composition, the values 80 and 180 under the column Costs (×$1,000) of Table 4 were erroneously switched. The correct version of Table 4 appears next.
Table 4. Safety-Based Volume Warrants for RTLs on Two-Lane Roadways
Costsa (×$1,000)PSL (mi/h)DDHV (vehicles/h)b
1502002503005007501,0001,500
Minimum RTDHV in vehicles/h required to warrant an RTL at an uncontrolled approach to intersection or drivewayc
50251451251099666473625
11296837450362819
3512198827045312416
9375635435241813
45796150422618149
675242362215128
55695242352114118
58443530181296
6025nrd14913011578564430
1341151008860433423
35145117988454372919
11290756542292215
459574605132211611
806251432718149
55836250422517139
705342352215118
7025nr17415213491655135
nr13411610370503927
35nr1371149863433323
130105887548332617
4511186705937251913
9472595031211611
559773584930201510
826149412517139
8025nr199173153104745840
nr15313311880574431
35nr15613111272503826
1491201008655382920
4512798806842282215
10783685735241813
5511083675634231712
9370564729191510
9025nrnr195172117846545
nr17214913290645034
35nr17614712681564329
nr1351139762433322
45142110907647322417
12093766440272114
5512493756338261913
10579635332221611
10025nrnr216191130937250
nr190166147100715538
35nr19516314090624732
nr15012510869483625
45nr1221008552352718
134103847144302316
55138104837042282115
11688705936241812
11025nrnr2382101431027955
nrnr182161110786142
35nrnr17915499685235
nr16513811876524027
45nr1351109357393020
147114937949332517
55nr114927746312416
12896776539262014
12025nrnrnr2291561118660
nrnr199176120856646
35nrnr196168107745738
nr17915012983574330
45nr14712010163423222
nr1241018653362719
55nr1251008451342617
140105847143292215
13025nrnrnr2481691209364
nrnr215190130927250
35nrnr212182116806142
nr19416314089624732
45nr15913011068463524
nr1341109357393020
55nr1351089155372819
nr114917646312416
14025nrnrnr26718213010169
nrnr2322051401007753
35nrnr228196125866645
nrnr17515096665134
45nr17114011873503825
nr14511810062423222
55nr1451179859403020
nr123998250332517
15025nrnrnr28619513910874
nrnr2482201501078357
35nrnr245210134927148
nrnr188161103715437
45nr18415012778534027
nr15512710766453423
55nr15612510463423222
nr1311068853362718
16025nrnrnrnr20814811579
nrnrnr2341591148861
35nrnrnr224143997551
nrnr200172110765839
45nr19616013583574329
nr16513511470483625
55nr16613311167453423
nr1401139457382920
17025nrnrnrnr22115712284
nrnrnr2491691219465
35nrnrnr2381521058054
nrnr213183117806142
45nrnr17014389604531
nr17614312175513826
55nr17614211872483624
nr14912010060413121
18025nrnrnrnr23316612989
nrnrnr2631791289968
35nrnrnr2521611118557
nrnr225193124856544
45nrnr18015294644833
nr18615212879544128
55nr18715012576513826
nr15812710664433222
19025nrnrnrnr24617613694
nrnrnr27818913510572
35nrnrnr2661701178961
nrnr237204130906947
45nrnr19016099675134
nr19616013584574329
55nr19715813280544027
nr16613411268453423
20025nrnrnrnr25918514399
nrnrnr29219914211076
35nrnrnr2801791239464
nrnr250215137957249
45nrnr200169104715336
nrnr16914288604531
55nrnr16713984564329
nr17514111871483624
21025nrnrnrnr272194151104
nrnrnrnr20914911680
35nrnrnr2941881299967
nrnrnr225144997651
45nrnr210177109745638
nrnr17715092634732
55nrnr17514688594530
nr18414812375503825
22025nrnrnrnr285203158109
nrnrnrnr21915612184
35nrnrnrnr19713510370
nrnrnr2361511047954
45nrnr220186115785940
nrnr18515797665034
55nrnr18315393624732
nr19315512978524027
23025nrnrnrnr298212165114
nrnrnrnr22916312787
35nrnrnrnr20614210873
nrnrnr2471581098356
45nrnr230194120816141
nrnr194164101695235
55nrnr19216097654933
nrnr16213582554128
24025nrnrnrnr311221172119
nrnrnrnr23917013291
35nrnrnrnr21414811376
nrnrnr2571651138659
45nrnr240202125856443
nrnr202171106715437
55nrnr200167101685134
nrnr16914185574329
25025nrnrnrnr324231179124
nrnrnrnr24917713795
35nrnrnrnr22315411780
nrnrnr2681711189061
45nrnr250211130886745
nrnr211178110745638
55nrnr208174105715336
nrnr17614789604530
26025nrnrnrnr337240186128
nrnrnrnr25818414399
35nrnrnrnr23216012283
nrnrnr2791781239464
45nrnrnr219135926947
nrnr219185114775940
55nrnr217181109735537
nrnr18315392624731
27025nrnrnrnr350249193133
nrnrnrnr268191148102
35nrnrnrnr24116612786
nrnrnr2901851279766
45nrnrnr228141957249
nrnr228192119806141
55nrnr225188114765739
nrnr19015996644833
28025nrnrnrnr363258200138
nrnrnrnr278198154106
35nrnrnrnr25017213189
nrnrnr30019213210168
45nrnrnr236146997550
nrnr236199123836343
55nrnr233195118795940
nrnr19716499675034
29025nrnrnrnr376267208143
nrnrnrnr288205159110
35nrnrnrnr25917813692
nrnrnrnr19913710471
45nrnrnr2441511027752
nrnr244206127866544
55nrnr242202122826241
nrnr204170103695235
30025nrnrnrnr388277215148
nrnrnrnr298212165114
35nrnrnrnr26818414195
nrnrnrnr20614210873
45nrnrnr2531561068054
nrnrnr213132896846
55nrnr250209126856443
nrnr211176107715436
a
The RTL construction costs.
b
Includes right turns.
c
The bottom number in each cell is the minimum RTDHVs (vehicles/h) required to warrant RTLs at uncontrolled approaches to driveways.
d
nr indicates that the RTLs are not required for the safety needs.
ASCE regrets these errors.

Information & Authors

Information

Published In

Go to Journal of Transportation Engineering
Journal of Transportation Engineering
Volume 140Issue 12December 2014

History

Received: Jul 25, 2014
Accepted: Jul 29, 2014
Published online: Aug 20, 2014
Published in print: Dec 1, 2014
Discussion open until: Jan 20, 2015

Permissions

Request permissions for this article.

Authors

Affiliations

Gom Bahadur Ale, Ph.D. [email protected]
P.E.
Senior Planner/Modeler, Southeastern Wisconsin Regional Planning Commission, W239 N1812 Rockwood Dr., P.O. Box 1607, Waukesha, WI 53187-1607; formerly, Research Assistant, North Dakota State Univ., Fargo, ND 58018 (corresponding author). E-mail: [email protected]; [email protected]
Amiy Varma, Ph.D., M.ASCE [email protected]
P.E.
Associate Professor, Dept. of Civil Engineering, North Dakota State Univ. (NDSU), NDSU Dept. 2470, P.O. Box 6050, Fargo, ND 58018-6050. E-mail: [email protected]
P.E.
Director of Program Development, Minnesota Dept. of Transportation, 395 John Ireland Blvd., St. Paul, MN 55155-1899. E-mail: [email protected]
Sunil Gyawali [email protected]
Ph.D. Candidate, Engineer-in-Training, Dept. of Civil Engineering, Univ. of Nebraska-Lincoln, N104 SEC/P.O. Box 886105, Lincoln, NE 68588-6105; formerly, Research Assistant, North Dakota State Univ., Fargo, ND 58018. E-mail: [email protected]

Metrics & Citations

Metrics

Citations

Download citation

If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.

View Options

Media

Figures

Other

Tables

Share

Share

Copy the content Link

Share with email

Email a colleague

Share