Wednesday, February 5, 2014

1946 Spokane Traffic Survey Reveals Interesting Information About Our Area


A while back, the boss found this Spokane Traffic Survey while cleaning out his office. So it's an old traffic report, big deal- right? I finally just got time to look through it though and it's pretty amazing, considering the times.

Published in 1946 by the City of Spokane Engineering Department Plan Commission and signed by then-Mayor Arthur Meehan, this piece of history shows that, while things have changed, much has stayed the same too.
1946 Land Use Map. Yellow is "first class"
residential neighborhood, dark brown is industrial
area, red is commercial areas and green is
recreational areas.
The report contains many of the same things our current plans and studies have. The Horizon 2040 plan that we completed in 2013 has information on population trends. So does this report, showing a population of approximately 140,000 in 1950 for the City of Spokane. That number is now up to 209,525, according to Census numbers for 2012.

A chart of Motor Vehicle Regstration for 1950 in Spokane County shows the number at about 67,000. A traffic volume survey included in the report that was conducted in 1937 (as a Works Progress Administration (WPA) project) predicts a 15-20% increase in vehicle registration over the decade to follow. I couldn't find current number of vehicle registrations to compare to today.

Under the heading of "Traffic Problem Causes" there is a paragraph about how downtown was the main area experiencing traffic congestion in 1946. This is cited as being due to the lack of a by-pass route around the central business district, which forced people to drive through downtown to get to other parts of the city. Narrow streets downtown were also considered a contributing factor to slow moving traffic. The suggested fixes for these issues included constructing an expressway and improving arterial routes. Division is listed as one of the most heavily traveled north-south routes even in 1946.

The plan lists the primary state highway through the area at the time as being US 10. I looked it up and as far as I can tell, this route was pretty much where Sprague Avenue is now.

The maps were also pretty detailed for the time, considering the technology available. The map to the left shows Eastern Washington and Northern Idaho in 1946 and the main economic drivers, such as cattle, apples, mining, and grain growing.

Among things that have changed, the report says the city's street system was made up of "71% graded crushed rock" at the time. Also, the average driving speed on streets in the central business district (downtown Spokane) was 14.1 miles per hour during off-peak hours! Average speeds for arterials is listed as 24.4 miles per hour. That's something we'll never see again.

 

2 comments:

Charles said...

Does it say how many miles of ungraded streets? Helena between Queen and Crown was an ungraded street in 1946 and as late as the early 1950s. Holes as big as a Volkswagon then.

SRTC Staff said...

No, it only broke them out by percentages- how many were rock, versus asphalt and concrete. I can just imagine people trying to get around on streets that were predominately dirt. I bet Helena wasn't the only one with giant holes!


About SRTC

SRTC is the federally designated Metropolitan Planning Organization (MPO) for Spokane County. Urbanized areas with populations exceeding 50,000 people are required to have an MPO. SRTC was formed to address the county's transportation planning needs. It provides coordination in planning between the public, cities, small towns, the county, the state, transit providers, and tribes.

SRTC offers services including transportation monitoring, transportation modeling, census information analysis, travel demand forecasting, historical traffic count analysis, geographic information systems, and trip generation rates.