This is partly explained by the fact that the road was built simply to connect Moscow and ST. Petersburg, as already explained.
"Due North or Glimpses of Scandinavia and Russia"
Maturin M. Ballou
By the Marc ST. Hilaire method, the same set of rules apply for getting a line of position at any time of the day, no matter what the position of the observed body in the heavens may be.
"Lectures in Navigation"
Ernest Gallaudet Draper
Required Line of Position by Marc ST. Hilaire Method and moST probable fix of ship.
"Lectures in Navigation"
Ernest Gallaudet Draper