. Electric railway journal . vation B .2 a = _ a h u 0 3 > rr> —■A 2 P oj £ Q H Degree ofCurve. r iV 5h 1 2° iV 5 ll 2 3 r„ 4 k 16 4 3° 4 10 22 V 4° 5 12Jil 654. 23 5: li 3W uh sk 29 6J 4 k Wi Sk 32k 8 5 la/ 8° 9 54 22 9° 10 6W i oW 10° u m 23 12 2sk 14 iH 210 10 33 36Js 40 « Elevation should always beMaximum at St Curve aud should diminishW Inch to 30 Feet. Fig. 13—Oklahoma Track—Overhead and Track Construc-tion at Curves finished construction are shown in Figs. 5 and 7. Fig. 6 showsa typical plan of the right-of-way widths and clearances inthe city limits. The detailed unit
. Electric railway journal . vation B .2 a = _ a h u 0 3 > rr> —■A 2 P oj £ Q H Degree ofCurve. r iV 5h 1 2° iV 5 ll 2 3 r„ 4 k 16 4 3° 4 10 22 V 4° 5 12Jil 654. 23 5: li 3W uh sk 29 6J 4 k Wi Sk 32k 8 5 la/ 8° 9 54 22 9° 10 6W i oW 10° u m 23 12 2sk 14 iH 210 10 33 36Js 40 « Elevation should always beMaximum at St Curve aud should diminishW Inch to 30 Feet. Fig. 13—Oklahoma Track—Overhead and Track Construc-tion at Curves finished construction are shown in Figs. 5 and 7. Fig. 6 showsa typical plan of the right-of-way widths and clearances inthe city limits. The detailed unit costs and quantities of thiswork, exclusive of overhead work, are also given in Table II,printed on page 452. It is contemplated that the concrete pole and ornamentalbracket shown in Fig. 8 will be used in connection with thebetter portions of double-track private right-of-way construc-tion. It is obvious that this type of construction presents manyadvantages, namely, low first cost compared to paved track. Fig. 14—Oklahoma Track—Portable Tool Box Used bySmall Construction Gangs construction, accessibility, low maintenance cost and a cleanand unobstructed track. SUBURBAN AND INTERURBAN CONSTRUCTION The suburban and interurban lines are all constructed onprivate right-of-way, there being no track on public highways; March 18, [911.] ELECTRIC RAILWAY JOURNAL. this right-of-way varies in width from 36 ft. to 60 ft. Theprincipal interurban lines are laid out with boulevards on eitherside and the grades, with few exceptions, do not exceed 1 percent. Ultimately these boulevards will be macadamized. Insome instances, when in close proximity to the city, the con- this construction is to overcome impact by providing a cush-ioning medium of creosoted wood between the rail and thesteel tie. Another object of this construction is to permit theeasy replacement of the present T-rail with 7-in. girder or anyother intermediate section of rail at some future time without
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