THE CORPORATION OF THE
CITY OF PORT COQUITLAM

Igor Zahynacz, P.Eng. _ April 12, 1991.
City Engineer

FROM: Russ Mammel, A.Sc.T.
Project/Traffic Tech.

SUBJECT: Mary Hill Road Speed Limit and Parking

RECOMMENDATIONS :

1. Post a 60 Kmh speed limit on Mary Hill Road between the Mary Hill Bypass
and Eastern Drive. | .

Place a 'No Parking Anytime’ restriction on both sides of Mary Hill Road,
between the Mary Hill Bypass and the south property line of #1360 Mary

Hill Road.

Remove the 'No Trucks' restriction on Mary Hill Road.

60 Kmh Speed on Mary Hill Road

Mary Hill Road between Fastern and the Mary Hill Bypass has a pavement
width of 14 metres, with lines painted for two lanes of travel in each
direction. The existing speed limit is 50. kmh, With .a 60 kmh speed —
limit, a minimum sight stopping distance of 85 metres is required. This
distance is easily maintained on this section road.

The shortest horizontal curve on this section of road has a radius of 500 |
metres. For a RCU classified road, this radius would allow for a maximum
design speed in excess of 100 kmh.

1

The controlling vertical crest curve has a K value of 27.7, which would
allow for a 70 kmh posted speed. The controlling sag vertical curves has
a K value of 15, which again allows a maximum design speed of 70 kmh,

Parking Restriction on-Mary Hill Road

Mary Hill Road. is classified as Municipal arterial with two 3.5 metre
lanes in each direction. Yo maintain travel in both lanes, a 'No Parking
Anytime! restriction should be placed on both sides of the road, as shown |
on the attached plan. The restriction should extend at this time, from
the Bypass to the south property line of #1360 Mary Hill Road.

ITEM