While highways and the various types of utilities have differing design requirements that must be considered when conducting route surveys, you have probably observed in your studies that much of route surveying is similar regardless of the type of construction being planned. This is especially true during the reconnaissance phase. Therefore, with a firm understanding of the preceding paragraphs and of the EA3 TRAMAN discussion of route surveying, you should have little difficulty in planning and performing other types of route surveys. For roads and highways, however, you also must have an

Figure 10-3.Storm sewer plan and profile.

understanding of horizontal and vertical curves. Those will be discussed in the next chapter.